49962139 has 2 divisors, whose sum is σ = 49962140. Its totient is φ = 49962138.

The previous prime is 49962137. The next prime is 49962169. The reversal of 49962139 is 93126994.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 49962139 - 2¹ = 49962137 is a prime.

Together with 49962137, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 49962095 and 49962104.

It is not a weakly prime, because it can be changed into another prime (49962131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24981069 + 24981070.

It is an arithmetic number, because the mean of its divisors is an integer number (24981070).

Almost surely, 2^49962139 is an apocalyptic number.

49962139 is a deficient number, since it is larger than the sum of its proper divisors (1).

49962139 is an equidigital number, since it uses as much as digits as its factorization.

49962139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 104976, while the sum is 43.

The square root of 49962139 is about 7068.3901278863. The cubic root of 49962139 is about 368.3101389725.

The spelling of 49962139 in words is "forty-nine million, nine hundred sixty-two thousand, one hundred thirty-nine".