19631432093 has 16 divisors (see below), whose sum is σ = 24941177856. Its totient is φ = 15031509120.

The previous prime is 19631432081. The next prime is 19631432101. The reversal of 19631432093 is 39023413691.

It is a cyclic number.

It is not a de Polignac number, because 19631432093 - 2²² = 19627237789 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 19631432093.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19631432063) 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, 3476696 + ... + 3482337.

It is an arithmetic number, because the mean of its divisors is an integer number (1558823616).

Almost surely, 2^19631432093 is an apocalyptic number.

19631432093 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

19631432093 is a deficient number, since it is larger than the sum of its proper divisors (5309745763).

19631432093 is a wasteful number, since it uses less digits than its factorization.

19631432093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6959084.

The product of its (nonzero) digits is 104976, while the sum is 41.

The spelling of 19631432093 in words is "nineteen billion, six hundred thirty-one million, four hundred thirty-two thousand, ninety-three".