18925574743 has 2 divisors, whose sum is σ = 18925574744. Its totient is φ = 18925574742.

The previous prime is 18925574729. The next prime is 18925574813. The reversal of 18925574743 is 34747552981.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 18925574743 - 2⁵ = 18925574711 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18925074743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9462787371 + 9462787372.

It is an arithmetic number, because the mean of its divisors is an integer number (9462787372).

Almost surely, 2^18925574743 is an apocalyptic number.

18925574743 is a deficient number, since it is larger than the sum of its proper divisors (1).

18925574743 is an equidigital number, since it uses as much as digits as its factorization.

18925574743 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8467200, while the sum is 55.

The spelling of 18925574743 in words is "eighteen billion, nine hundred twenty-five million, five hundred seventy-four thousand, seven hundred forty-three".