49518419 has 2 divisors, whose sum is σ = 49518420. Its totient is φ = 49518418.

The previous prime is 49518323. The next prime is 49518437. The reversal of 49518419 is 91481594.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49518419 is a prime.

It is a super-2 number, since 2×49518419² = 4904147640519122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (49518449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24759209 + 24759210.

It is an arithmetic number, because the mean of its divisors is an integer number (24759210).

Almost surely, 2^49518419 is an apocalyptic number.

49518419 is a deficient number, since it is larger than the sum of its proper divisors (1).

49518419 is an equidigital number, since it uses as much as digits as its factorization.

49518419 is an evil number, because the sum of its binary digits is even.

The product of its digits is 51840, while the sum is 41.

The square root of 49518419 is about 7036.9324993210. The cubic root of 49518419 is about 367.2165590245.

The spelling of 49518419 in words is "forty-nine million, five hundred eighteen thousand, four hundred nineteen".