49274395537 has 4 divisors (see below), whose sum is σ = 49274951860. Its totient is φ = 49273839216.

The previous prime is 49274395531. The next prime is 49274395543. The reversal of 49274395537 is 73559347294.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is an interprime number because it is at equal distance from previous prime (49274395531) and next prime (49274395543).

It can be written as a sum of positive squares in 2 ways, for example, as 43762966416 + 5511429121 = 209196^2 + 74239^2 .

It is a cyclic number.

It is not a de Polignac number, because 49274395537 - 2²⁷ = 49140177809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49274395531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112362 + ... + 333427.

It is an arithmetic number, because the mean of its divisors is an integer number (12318737965).

Almost surely, 2^49274395537 is an apocalyptic number.

It is an amenable number.

49274395537 is a deficient number, since it is larger than the sum of its proper divisors (556323).

49274395537 is a wasteful number, since it uses less digits than its factorization.

49274395537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556322.

The product of its digits is 28576800, while the sum is 58.

The spelling of 49274395537 in words is "forty-nine billion, two hundred seventy-four million, three hundred ninety-five thousand, five hundred thirty-seven".