746536635647 has 16 divisors (see below), whose sum is σ = 830849231520. Its totient is φ = 664998297600.

The previous prime is 746536635629. The next prime is 746536635679.

746536635647 is nontrivially palindromic in base 10.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-746536635647 is a prime.

It is a super-2 number, since 2×746536635647² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 746536635647.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (746536635617) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 384254 + ... + 1280907.

It is an arithmetic number, because the mean of its divisors is an integer number (51928076970).

Almost surely, 2^746536635647 is an apocalyptic number.

746536635647 is a deficient number, since it is larger than the sum of its proper divisors (84312595873).

746536635647 is a wasteful number, since it uses less digits than its factorization.

746536635647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1665994.

The product of its digits is 228614400, while the sum is 62.

The spelling of 746536635647 in words is "seven hundred forty-six billion, five hundred thirty-six million, six hundred thirty-five thousand, six hundred forty-seven".