63145277133 has 4 divisors (see below), whose sum is σ = 84193702848. Its totient is φ = 42096851420.

The previous prime is 63145277123. The next prime is 63145277137. The reversal of 63145277133 is 33177254136.

It is a happy number.

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 63145277133 - 2¹⁰ = 63145276109 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63145277137) 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, 10524212853 + ... + 10524212858.

It is an arithmetic number, because the mean of its divisors is an integer number (21048425712).

Almost surely, 2^63145277133 is an apocalyptic number.

It is an amenable number.

63145277133 is a deficient number, since it is larger than the sum of its proper divisors (21048425715).

63145277133 is a wasteful number, since it uses less digits than its factorization.

63145277133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21048425714.

The product of its digits is 317520, while the sum is 42.

The spelling of 63145277133 in words is "sixty-three billion, one hundred forty-five million, two hundred seventy-seven thousand, one hundred thirty-three".