48663619 has 2 divisors, whose sum is σ = 48663620. Its totient is φ = 48663618.

The previous prime is 48663569. The next prime is 48663623. The reversal of 48663619 is 91636684.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-48663619 is a prime.

It is a super-2 number, since 2×48663619² = 4736295628354322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (48663649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24331809 + 24331810.

It is an arithmetic number, because the mean of its divisors is an integer number (24331810).

Almost surely, 2^48663619 is an apocalyptic number.

48663619 is a deficient number, since it is larger than the sum of its proper divisors (1).

48663619 is an equidigital number, since it uses as much as digits as its factorization.

48663619 is an evil number, because the sum of its binary digits is even.

The product of its digits is 186624, while the sum is 43.

The square root of 48663619 is about 6975.9314073463. The cubic root of 48663619 is about 365.0912863561.

The spelling of 48663619 in words is "forty-eight million, six hundred sixty-three thousand, six hundred nineteen".