745461677713031 has 4 divisors (see below), whose sum is σ = 765609290624232. Its totient is φ = 725314064801832.

The previous prime is 745461677712989. The next prime is 745461677713099. The reversal of 745461677713031 is 130317776164547.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-745461677713031 is a prime.

It is a super-4 number, since 4×745461677713031⁴ (a number of 61 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (745461677713531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10073806455545 + ... + 10073806455618.

It is an arithmetic number, because the mean of its divisors is an integer number (191402322656058).

Almost surely, 2^{745461677713031} is an apocalyptic number.

745461677713031 is a deficient number, since it is larger than the sum of its proper divisors (20147612911201).

745461677713031 is a wasteful number, since it uses less digits than its factorization.

745461677713031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20147612911200.

The product of its (nonzero) digits is 62233920, while the sum is 62.

The spelling of 745461677713031 in words is "seven hundred forty-five trillion, four hundred sixty-one billion, six hundred seventy-seven million, seven hundred thirteen thousand, thirty-one".