49913317679 has 2 divisors, whose sum is σ = 49913317680. Its totient is φ = 49913317678.

The previous prime is 49913317639. The next prime is 49913317693. The reversal of 49913317679 is 97671331994.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 49913317679 - 2³² = 45618350383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49913317639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24956658839 + 24956658840.

It is an arithmetic number, because the mean of its divisors is an integer number (24956658840).

Almost surely, 2^49913317679 is an apocalyptic number.

49913317679 is a deficient number, since it is larger than the sum of its proper divisors (1).

49913317679 is an equidigital number, since it uses as much as digits as its factorization.

49913317679 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7715736, while the sum is 59.

The spelling of 49913317679 in words is "forty-nine billion, nine hundred thirteen million, three hundred seventeen thousand, six hundred seventy-nine".