19432630659 has 16 divisors (see below), whose sum is σ = 28074459392. Its totient is φ = 11885172768.

The previous prime is 19432630601. The next prime is 19432630661. The reversal of 19432630659 is 95603623491.

It is not a de Polignac number, because 19432630659 - 2²⁰ = 19431582083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19432630159) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1522087 + ... + 1534800.

It is an arithmetic number, because the mean of its divisors is an integer number (1754653712).

Almost surely, 2^19432630659 is an apocalyptic number.

19432630659 is a deficient number, since it is larger than the sum of its proper divisors (8641828733).

19432630659 is a wasteful number, since it uses less digits than its factorization.

19432630659 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3057066.

The product of its (nonzero) digits is 1049760, while the sum is 48.

The spelling of 19432630659 in words is "nineteen billion, four hundred thirty-two million, six hundred thirty thousand, six hundred fifty-nine".