49144919 has 2 divisors, whose sum is σ = 49144920. Its totient is φ = 49144918.

The previous prime is 49144903. The next prime is 49144967. The reversal of 49144919 is 91944194.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 49144919 - 2⁴ = 49144903 is a prime.

It is a super-2 number, since 2×49144919² = 4830446127033122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49144019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24572459 + 24572460.

It is an arithmetic number, because the mean of its divisors is an integer number (24572460).

Almost surely, 2^49144919 is an apocalyptic number.

49144919 is a deficient number, since it is larger than the sum of its proper divisors (1).

49144919 is an equidigital number, since it uses as much as digits as its factorization.

49144919 is an evil number, because the sum of its binary digits is even.

The product of its digits is 46656, while the sum is 41.

The square root of 49144919 is about 7010.3437148260. The cubic root of 49144919 is about 366.2909662307.

The spelling of 49144919 in words is "forty-nine million, one hundred forty-four thousand, nine hundred nineteen".