49637619719 has 4 divisors (see below), whose sum is σ = 52250126040. Its totient is φ = 47025113400.

The previous prime is 49637619679. The next prime is 49637619721. The reversal of 49637619719 is 91791673694.

It is a happy number.

49637619719 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49637619719 is a prime.

It is a super-2 number, since 2×49637619719² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49637612719) 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, 1306253132 + ... + 1306253169.

It is an arithmetic number, because the mean of its divisors is an integer number (13062531510).

Almost surely, 2^49637619719 is an apocalyptic number.

49637619719 is a deficient number, since it is larger than the sum of its proper divisors (2612506321).

49637619719 is a wasteful number, since it uses less digits than its factorization.

49637619719 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2612506320.

The product of its digits is 15431472, while the sum is 62.

The spelling of 49637619719 in words is "forty-nine billion, six hundred thirty-seven million, six hundred nineteen thousand, seven hundred nineteen".