49406620187 has 2 divisors, whose sum is σ = 49406620188. Its totient is φ = 49406620186.

The previous prime is 49406620169. The next prime is 49406620199. The reversal of 49406620187 is 78102660494.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 49406620187 - 2³² = 45111652891 is a prime.

It is not a weakly prime, because it can be changed into another prime (49406520187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24703310093 + 24703310094.

It is an arithmetic number, because the mean of its divisors is an integer number (24703310094).

Almost surely, 2^49406620187 is an apocalyptic number.

49406620187 is a deficient number, since it is larger than the sum of its proper divisors (1).

49406620187 is an equidigital number, since it uses as much as digits as its factorization.

49406620187 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 580608, while the sum is 47.

The spelling of 49406620187 in words is "forty-nine billion, four hundred six million, six hundred twenty thousand, one hundred eighty-seven".