19148624827 has 2 divisors, whose sum is σ = 19148624828. Its totient is φ = 19148624826.

The previous prime is 19148624801. The next prime is 19148624843. The reversal of 19148624827 is 72842684191.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-19148624827 is a prime.

It is not a weakly prime, because it can be changed into another prime (19148624867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9574312413 + 9574312414.

It is an arithmetic number, because the mean of its divisors is an integer number (9574312414).

Almost surely, 2^19148624827 is an apocalyptic number.

19148624827 is a deficient number, since it is larger than the sum of its proper divisors (1).

19148624827 is an equidigital number, since it uses as much as digits as its factorization.

19148624827 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1548288, while the sum is 52.

The spelling of 19148624827 in words is "nineteen billion, one hundred forty-eight million, six hundred twenty-four thousand, eight hundred twenty-seven".