495138534769 has 16 divisors (see below), whose sum is σ = 516555773440. Its totient is φ = 474064980480.

The previous prime is 495138534767. The next prime is 495138534811. The reversal of 495138534769 is 967435831594.

It is not a de Polignac number, because 495138534769 - 2¹ = 495138534767 is a prime.

It is a super-2 number, since 2×495138534769² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 495138534769.

It is not an unprimeable number, because it can be changed into a prime (495138534767) 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, 9322282 + ... + 9375244.

It is an arithmetic number, because the mean of its divisors is an integer number (32284735840).

Almost surely, 2^495138534769 is an apocalyptic number.

It is an amenable number.

495138534769 is a deficient number, since it is larger than the sum of its proper divisors (21417238671).

495138534769 is a wasteful number, since it uses less digits than its factorization.

495138534769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56200.

The product of its digits is 97977600, while the sum is 64.

The spelling of 495138534769 in words is "four hundred ninety-five billion, one hundred thirty-eight million, five hundred thirty-four thousand, seven hundred sixty-nine".