507443649 has 8 divisors (see below), whose sum is σ = 677177952. Its totient is φ = 338002560.

The previous prime is 507443647. The next prime is 507443669. The reversal of 507443649 is 946344705.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 507443649 - 2¹ = 507443647 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 507443649.

It is not an unprimeable number, because it can be changed into a prime (507443647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69232 + ... + 76209.

It is an arithmetic number, because the mean of its divisors is an integer number (84647244).

Almost surely, 2^507443649 is an apocalyptic number.

It is an amenable number.

507443649 is a deficient number, since it is larger than the sum of its proper divisors (169734303).

507443649 is a wasteful number, since it uses less digits than its factorization.

507443649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146607.

The product of its (nonzero) digits is 362880, while the sum is 42.

The square root of 507443649 is about 22526.5099160966. The cubic root of 507443649 is about 797.6198260086.

The spelling of 507443649 in words is "five hundred seven million, four hundred forty-three thousand, six hundred forty-nine".