49418431 has 2 divisors, whose sum is σ = 49418432. Its totient is φ = 49418430.

The previous prime is 49418423. The next prime is 49418441. The reversal of 49418431 is 13481494.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 49418431 - 2³ = 49418423 is a prime.

It is a super-2 number, since 2×49418431² = 4884362645003522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49418441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24709215 + 24709216.

It is an arithmetic number, because the mean of its divisors is an integer number (24709216).

Almost surely, 2^49418431 is an apocalyptic number.

49418431 is a deficient number, since it is larger than the sum of its proper divisors (1).

49418431 is an equidigital number, since it uses as much as digits as its factorization.

49418431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13824, while the sum is 34.

The square root of 49418431 is about 7029.8243932548. The cubic root of 49418431 is about 366.9692302455.

The spelling of 49418431 in words is "forty-nine million, four hundred eighteen thousand, four hundred thirty-one".