49649792437 has 4 divisors (see below), whose sum is σ = 56742619936. Its totient is φ = 42556964940.

The previous prime is 49649792393. The next prime is 49649792443. The reversal of 49649792437 is 73429794694.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a de Polignac number, because none of the positive numbers 2^k-49649792437 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 (49649792497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3546413739 + ... + 3546413752.

It is an arithmetic number, because the mean of its divisors is an integer number (14185654984).

Almost surely, 2^49649792437 is an apocalyptic number.

It is an amenable number.

49649792437 is a deficient number, since it is larger than the sum of its proper divisors (7092827499).

49649792437 is an equidigital number, since it uses as much as digits as its factorization.

49649792437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7092827498.

The product of its digits is 82301184, while the sum is 64.

The spelling of 49649792437 in words is "forty-nine billion, six hundred forty-nine million, seven hundred ninety-two thousand, four hundred thirty-seven".