48445619 has 2 divisors, whose sum is σ = 48445620. Its totient is φ = 48445618.

The previous prime is 48445589. The next prime is 48445633. The reversal of 48445619 is 91654484.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-48445619 is a prime.

It is a super-2 number, since 2×48445619² = 4693956000586322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (48445519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24222809 + 24222810.

It is an arithmetic number, because the mean of its divisors is an integer number (24222810).

Almost surely, 2^48445619 is an apocalyptic number.

48445619 is a deficient number, since it is larger than the sum of its proper divisors (1).

48445619 is an equidigital number, since it uses as much as digits as its factorization.

48445619 is an evil number, because the sum of its binary digits is even.

The product of its digits is 138240, while the sum is 41.

The square root of 48445619 is about 6960.2887152761. The cubic root of 48445619 is about 364.5452998068.

The spelling of 48445619 in words is "forty-eight million, four hundred forty-five thousand, six hundred nineteen".