49286408939 has 2 divisors, whose sum is σ = 49286408940. Its totient is φ = 49286408938.

The previous prime is 49286408923. The next prime is 49286408987. The reversal of 49286408939 is 93980468294.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 49286408939 - 2⁴ = 49286408923 is a prime.

It is a super-2 number, since 2×49286408939² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (49286408989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24643204469 + 24643204470.

It is an arithmetic number, because the mean of its divisors is an integer number (24643204470).

Almost surely, 2^49286408939 is an apocalyptic number.

49286408939 is a deficient number, since it is larger than the sum of its proper divisors (1).

49286408939 is an equidigital number, since it uses as much as digits as its factorization.

49286408939 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26873856, while the sum is 62.

The spelling of 49286408939 in words is "forty-nine billion, two hundred eighty-six million, four hundred eight thousand, nine hundred thirty-nine".