48409919 has 2 divisors, whose sum is σ = 48409920. Its totient is φ = 48409918.

The previous prime is 48409901. The next prime is 48409937. The reversal of 48409919 is 91990484.

It is a balanced prime because it is at equal distance from previous prime (48409901) and next prime (48409937).

It is a cyclic number.

It is not a de Polignac number, because 48409919 - 2²⁰ = 47361343 is a prime.

It is a super-2 number, since 2×48409919² = 4687040515173122, 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 48409919.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (48409939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24204959 + 24204960.

It is an arithmetic number, because the mean of its divisors is an integer number (24204960).

Almost surely, 2^48409919 is an apocalyptic number.

48409919 is a deficient number, since it is larger than the sum of its proper divisors (1).

48409919 is an equidigital number, since it uses as much as digits as its factorization.

48409919 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 93312, while the sum is 44.

The square root of 48409919 is about 6957.7236938528. The cubic root of 48409919 is about 364.4557322631.

The spelling of 48409919 in words is "forty-eight million, four hundred nine thousand, nine hundred nineteen".