49705513259 has 2 divisors, whose sum is σ = 49705513260. Its totient is φ = 49705513258.

The previous prime is 49705513159. The next prime is 49705513303. The reversal of 49705513259 is 95231550794.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49705513259 is a prime.

It is not a weakly prime, because it can be changed into another prime (49705513159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24852756629 + 24852756630.

It is an arithmetic number, because the mean of its divisors is an integer number (24852756630).

Almost surely, 2^49705513259 is an apocalyptic number.

49705513259 is a deficient number, since it is larger than the sum of its proper divisors (1).

49705513259 is an equidigital number, since it uses as much as digits as its factorization.

49705513259 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1701000, while the sum is 50.

The spelling of 49705513259 in words is "forty-nine billion, seven hundred five million, five hundred thirteen thousand, two hundred fifty-nine".