49963139 has 2 divisors, whose sum is σ = 49963140. Its totient is φ = 49963138.

The previous prime is 49963097. The next prime is 49963157. The reversal of 49963139 is 93136994.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 49963139 - 2⁸ = 49962883 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 49963139.

It is not a weakly prime, because it can be changed into another prime (49962139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24981569 + 24981570.

It is an arithmetic number, because the mean of its divisors is an integer number (24981570).

Almost surely, 2^49963139 is an apocalyptic number.

49963139 is a deficient number, since it is larger than the sum of its proper divisors (1).

49963139 is an equidigital number, since it uses as much as digits as its factorization.

49963139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 157464, while the sum is 44.

The square root of 49963139 is about 7068.4608649974. The cubic root of 49963139 is about 368.3125962177.

The spelling of 49963139 in words is "forty-nine million, nine hundred sixty-three thousand, one hundred thirty-nine".