49982862187 has 2 divisors, whose sum is σ = 49982862188. Its totient is φ = 49982862186.

The previous prime is 49982862173. The next prime is 49982862247. The reversal of 49982862187 is 78126828994.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49982862187 is a prime.

It is not a weakly prime, because it can be changed into another prime (49982862157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24991431093 + 24991431094.

It is an arithmetic number, because the mean of its divisors is an integer number (24991431094).

Almost surely, 2^49982862187 is an apocalyptic number.

49982862187 is a deficient number, since it is larger than the sum of its proper divisors (1).

49982862187 is an equidigital number, since it uses as much as digits as its factorization.

49982862187 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27869184, while the sum is 64.

The spelling of 49982862187 in words is "forty-nine billion, nine hundred eighty-two million, eight hundred sixty-two thousand, one hundred eighty-seven".