63925057507 has 4 divisors (see below), whose sum is σ = 63929720016. Its totient is φ = 63920395000.

The previous prime is 63925057477. The next prime is 63925057513. The reversal of 63925057507 is 70575052936.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 63925057507 - 2¹⁵ = 63925024739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63925057307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2310628 + ... + 2338129.

It is an arithmetic number, because the mean of its divisors is an integer number (15982430004).

Almost surely, 2^63925057507 is an apocalyptic number.

63925057507 is a deficient number, since it is larger than the sum of its proper divisors (4662509).

63925057507 is a wasteful number, since it uses less digits than its factorization.

63925057507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4662508.

The product of its (nonzero) digits is 1984500, while the sum is 49.

The spelling of 63925057507 in words is "sixty-three billion, nine hundred twenty-five million, fifty-seven thousand, five hundred seven".