49910999 has 2 divisors, whose sum is σ = 49911000. Its totient is φ = 49910998.

The previous prime is 49910969. The next prime is 49911011. The reversal of 49910999 is 99901994.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 49910999 - 2²⁰ = 48862423 is a prime.

It is a super-2 number, since 2×49910999² = 4982215642356002, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49910909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24955499 + 24955500.

It is an arithmetic number, because the mean of its divisors is an integer number (24955500).

Almost surely, 2^49910999 is an apocalyptic number.

49910999 is a deficient number, since it is larger than the sum of its proper divisors (1).

49910999 is an equidigital number, since it uses as much as digits as its factorization.

49910999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 236196, while the sum is 50.

The square root of 49910999 is about 7064.7716877476. The cubic root of 49910999 is about 368.1844317135.

The spelling of 49910999 in words is "forty-nine million, nine hundred ten thousand, nine hundred ninety-nine".