49408519 has 2 divisors, whose sum is σ = 49408520. Its totient is φ = 49408518.

The previous prime is 49408487. The next prime is 49408537. The reversal of 49408519 is 91580494.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 49408519 - 2⁵ = 49408487 is a prime.

It is a super-2 number, since 2×49408519² = 4882403499546722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49408589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24704259 + 24704260.

It is an arithmetic number, because the mean of its divisors is an integer number (24704260).

Almost surely, 2^49408519 is an apocalyptic number.

49408519 is a deficient number, since it is larger than the sum of its proper divisors (1).

49408519 is an equidigital number, since it uses as much as digits as its factorization.

49408519 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51840, while the sum is 40.

The square root of 49408519 is about 7029.1193616270. The cubic root of 49408519 is about 366.9446939059.

The spelling of 49408519 in words is "forty-nine million, four hundred eight thousand, five hundred nineteen".