19041258631 has 2 divisors, whose sum is σ = 19041258632. Its totient is φ = 19041258630.

The previous prime is 19041258617. The next prime is 19041258707. The reversal of 19041258631 is 13685214091.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 19041258631 - 2⁷ = 19041258503 is a prime.

It is a super-2 number, since 2×19041258631² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19041258931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9520629315 + 9520629316.

It is an arithmetic number, because the mean of its divisors is an integer number (9520629316).

Almost surely, 2^19041258631 is an apocalyptic number.

19041258631 is a deficient number, since it is larger than the sum of its proper divisors (1).

19041258631 is an equidigital number, since it uses as much as digits as its factorization.

19041258631 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51840, while the sum is 40.

The spelling of 19041258631 in words is "nineteen billion, forty-one million, two hundred fifty-eight thousand, six hundred thirty-one".