49079519 has 2 divisors, whose sum is σ = 49079520. Its totient is φ = 49079518.

The previous prime is 49079507. The next prime is 49079549. The reversal of 49079519 is 91597094.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49079519 is a prime.

It is a super-2 number, since 2×49079519² = 4817598370542722, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 49079519.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49079549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24539759 + 24539760.

It is an arithmetic number, because the mean of its divisors is an integer number (24539760).

Almost surely, 2^49079519 is an apocalyptic number.

49079519 is a deficient number, since it is larger than the sum of its proper divisors (1).

49079519 is an equidigital number, since it uses as much as digits as its factorization.

49079519 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 102060, while the sum is 44.

The square root of 49079519 is about 7005.6776260402. The cubic root of 49079519 is about 366.1284125437.

The spelling of 49079519 in words is "forty-nine million, seventy-nine thousand, five hundred nineteen".