49605917539 has 2 divisors, whose sum is σ = 49605917540. Its totient is φ = 49605917538.

The previous prime is 49605917513. The next prime is 49605917563. The reversal of 49605917539 is 93571950694.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 49605917539 - 2³³ = 41015982947 is a prime.

It is not a weakly prime, because it can be changed into another prime (49605917509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24802958769 + 24802958770.

It is an arithmetic number, because the mean of its divisors is an integer number (24802958770).

Almost surely, 2^49605917539 is an apocalyptic number.

49605917539 is a deficient number, since it is larger than the sum of its proper divisors (1).

49605917539 is an equidigital number, since it uses as much as digits as its factorization.

49605917539 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9185400, while the sum is 58.

The spelling of 49605917539 in words is "forty-nine billion, six hundred five million, nine hundred seventeen thousand, five hundred thirty-nine".