49999529959 has 2 divisors, whose sum is σ = 49999529960. Its totient is φ = 49999529958.

The previous prime is 49999529929. The next prime is 49999529963. The reversal of 49999529959 is 95992599994.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 49999529959 - 2³¹ = 47852046311 is a prime.

It is a super-2 number, since 2×49999529959² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49999529929) 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, 24999764979 + 24999764980.

It is an arithmetic number, because the mean of its divisors is an integer number (24999764980).

Almost surely, 2^49999529959 is an apocalyptic number.

49999529959 is a deficient number, since it is larger than the sum of its proper divisors (1).

49999529959 is an equidigital number, since it uses as much as digits as its factorization.

49999529959 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 956593800, while the sum is 79.

The spelling of 49999529959 in words is "forty-nine billion, nine hundred ninety-nine million, five hundred twenty-nine thousand, nine hundred fifty-nine".