49179494087 has 2 divisors, whose sum is σ = 49179494088. Its totient is φ = 49179494086.

The previous prime is 49179494059. The next prime is 49179494153. The reversal of 49179494087 is 78049497194.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49179494087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49179494017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24589747043 + 24589747044.

It is an arithmetic number, because the mean of its divisors is an integer number (24589747044).

Almost surely, 2^49179494087 is an apocalyptic number.

49179494087 is a deficient number, since it is larger than the sum of its proper divisors (1).

49179494087 is an equidigital number, since it uses as much as digits as its factorization.

49179494087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18289152, while the sum is 62.

The spelling of 49179494087 in words is "forty-nine billion, one hundred seventy-nine million, four hundred ninety-four thousand, eighty-seven".