49008555139 has 2 divisors, whose sum is σ = 49008555140. Its totient is φ = 49008555138.

The previous prime is 49008555131. The next prime is 49008555161. The reversal of 49008555139 is 93155580094.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 49008555139 - 2³ = 49008555131 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 49008555092 and 49008555101.

It is not a weakly prime, because it can be changed into another prime (49008555131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24504277569 + 24504277570.

It is an arithmetic number, because the mean of its divisors is an integer number (24504277570).

Almost surely, 2^49008555139 is an apocalyptic number.

49008555139 is a deficient number, since it is larger than the sum of its proper divisors (1).

49008555139 is an equidigital number, since it uses as much as digits as its factorization.

49008555139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972000, while the sum is 49.

The spelling of 49008555139 in words is "forty-nine billion, eight million, five hundred fifty-five thousand, one hundred thirty-nine".