495637945739 has 16 divisors (see below), whose sum is σ = 503045773824. Its totient is φ = 488298002400.

The previous prime is 495637945721. The next prime is 495637945783. The reversal of 495637945739 is 937549736594.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-495637945739 is a prime.

It is a super-2 number, since 2×495637945739² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (495637945139) 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, 10022117 + ... + 10071449.

It is an arithmetic number, because the mean of its divisors is an integer number (31440360864).

Almost surely, 2^495637945739 is an apocalyptic number.

495637945739 is a deficient number, since it is larger than the sum of its proper divisors (7407828085).

495637945739 is a wasteful number, since it uses less digits than its factorization.

495637945739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50018.

The product of its digits is 771573600, while the sum is 71.

The spelling of 495637945739 in words is "four hundred ninety-five billion, six hundred thirty-seven million, nine hundred forty-five thousand, seven hundred thirty-nine".