49625035637 has 4 divisors (see below), whose sum is σ = 49632023340. Its totient is φ = 49618047936.

The previous prime is 49625035627. The next prime is 49625035679. The reversal of 49625035637 is 73653052694.

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

It can be written as a sum of positive squares in 2 ways, for example, as 26464457041 + 23160578596 = 162679^2 + 152186^2 .

It is a cyclic number.

It is not a de Polignac number, because 49625035637 - 2³² = 45330068341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49625035627) 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, 3483188 + ... + 3497405.

It is an arithmetic number, because the mean of its divisors is an integer number (12408005835).

Almost surely, 2^49625035637 is an apocalyptic number.

It is an amenable number.

49625035637 is a deficient number, since it is larger than the sum of its proper divisors (6987703).

49625035637 is an equidigital number, since it uses as much as digits as its factorization.

49625035637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6987702.

The product of its (nonzero) digits is 4082400, while the sum is 50.

The spelling of 49625035637 in words is "forty-nine billion, six hundred twenty-five million, thirty-five thousand, six hundred thirty-seven".