49231619 has 2 divisors, whose sum is σ = 49231620. Its totient is φ = 49231618.

The previous prime is 49231579. The next prime is 49231649. The reversal of 49231619 is 91613294.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49231619 is a prime.

It is a super-2 number, since 2×49231619² = 4847504618722322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (49231649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24615809 + 24615810.

It is an arithmetic number, because the mean of its divisors is an integer number (24615810).

Almost surely, 2^49231619 is an apocalyptic number.

49231619 is a deficient number, since it is larger than the sum of its proper divisors (1).

49231619 is an equidigital number, since it uses as much as digits as its factorization.

49231619 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11664, while the sum is 35.

The square root of 49231619 is about 7016.5247095695. The cubic root of 49231619 is about 366.5062395525.

The spelling of 49231619 in words is "forty-nine million, two hundred thirty-one thousand, six hundred nineteen".