4172640517 has 4 divisors (see below), whose sum is σ = 4307241856. Its totient is φ = 4038039180.

The previous prime is 4172640503. The next prime is 4172640569. The reversal of 4172640517 is 7150462714.

4172640517 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4172640517 - 2⁷ = 4172640389 is a prime.

It is a super-2 number, since 2×4172640517² = 34821857768220054578, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4172640317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67300623 + ... + 67300684.

It is an arithmetic number, because the mean of its divisors is an integer number (1076810464).

Almost surely, 2^4172640517 is an apocalyptic number.

It is an amenable number.

4172640517 is a deficient number, since it is larger than the sum of its proper divisors (134601339).

4172640517 is a wasteful number, since it uses less digits than its factorization.

4172640517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134601338.

The product of its (nonzero) digits is 47040, while the sum is 37.

The square root of 4172640517 is about 64595.9791086102. The cubic root of 4172640517 is about 1609.9176323228.

The spelling of 4172640517 in words is "four billion, one hundred seventy-two million, six hundred forty thousand, five hundred seventeen".