19626125039 has 2 divisors, whose sum is σ = 19626125040. Its totient is φ = 19626125038.

The previous prime is 19626125021. The next prime is 19626125149. The reversal of 19626125039 is 93052162691.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 19626125039 - 2¹⁶ = 19626059503 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19626125339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9813062519 + 9813062520.

It is an arithmetic number, because the mean of its divisors is an integer number (9813062520).

Almost surely, 2^19626125039 is an apocalyptic number.

19626125039 is a deficient number, since it is larger than the sum of its proper divisors (1).

19626125039 is an equidigital number, since it uses as much as digits as its factorization.

19626125039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 174960, while the sum is 44.

The spelling of 19626125039 in words is "nineteen billion, six hundred twenty-six million, one hundred twenty-five thousand, thirty-nine".