19056974263 has 2 divisors, whose sum is σ = 19056974264. Its totient is φ = 19056974262.

The previous prime is 19056974117. The next prime is 19056974311. The reversal of 19056974263 is 36247965091.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-19056974263 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 19056974263.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19053974263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9528487131 + 9528487132.

It is an arithmetic number, because the mean of its divisors is an integer number (9528487132).

Almost surely, 2^19056974263 is an apocalyptic number.

19056974263 is a deficient number, since it is larger than the sum of its proper divisors (1).

19056974263 is an equidigital number, since it uses as much as digits as its factorization.

19056974263 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2449440, while the sum is 52.

The spelling of 19056974263 in words is "nineteen billion, fifty-six million, nine hundred seventy-four thousand, two hundred sixty-three".