18941463695 has 32 divisors (see below), whose sum is σ = 28354060800. Its totient is φ = 11801139840.

The previous prime is 18941463691. The next prime is 18941463703. The reversal of 18941463695 is 59636414981.

It is not a de Polignac number, because 18941463695 - 2² = 18941463691 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 18941463695.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18941463691) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 737744 + ... + 762986.

It is an arithmetic number, because the mean of its divisors is an integer number (886064400).

Almost surely, 2^18941463695 is an apocalyptic number.

18941463695 is a deficient number, since it is larger than the sum of its proper divisors (9412597105).

18941463695 is a wasteful number, since it uses less digits than its factorization.

18941463695 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27215.

The product of its digits is 5598720, while the sum is 56.

The spelling of 18941463695 in words is "eighteen billion, nine hundred forty-one million, four hundred sixty-three thousand, six hundred ninety-five".