49637619679 has 2 divisors, whose sum is σ = 49637619680. Its totient is φ = 49637619678.

The previous prime is 49637619599. The next prime is 49637619721. The reversal of 49637619679 is 97691673694.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 49637619679 - 2²⁷ = 49503401951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49637619079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24818809839 + 24818809840.

It is an arithmetic number, because the mean of its divisors is an integer number (24818809840).

Almost surely, 2^49637619679 is an apocalyptic number.

49637619679 is a deficient number, since it is larger than the sum of its proper divisors (1).

49637619679 is an equidigital number, since it uses as much as digits as its factorization.

49637619679 is an evil number, because the sum of its binary digits is even.

The product of its digits is 92588832, while the sum is 67.

The spelling of 49637619679 in words is "forty-nine billion, six hundred thirty-seven million, six hundred nineteen thousand, six hundred seventy-nine".