49634239 has 2 divisors, whose sum is σ = 49634240. Its totient is φ = 49634238.

The previous prime is 49634177. The next prime is 49634243. The reversal of 49634239 is 93243694.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49634239 is a prime.

It is a super-2 number, since 2×49634239² = 4927115362218242, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49634539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24817119 + 24817120.

It is an arithmetic number, because the mean of its divisors is an integer number (24817120).

Almost surely, 2^49634239 is an apocalyptic number.

49634239 is a deficient number, since it is larger than the sum of its proper divisors (1).

49634239 is an equidigital number, since it uses as much as digits as its factorization.

49634239 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 139968, while the sum is 40.

The square root of 49634239 is about 7045.1571309659. The cubic root of 49634239 is about 367.5026337603.

The spelling of 49634239 in words is "forty-nine million, six hundred thirty-four thousand, two hundred thirty-nine".