19906962999 has 64 divisors (see below), whose sum is σ = 34680806400. Its totient is φ = 10061573760.

The previous prime is 19906962997. The next prime is 19906963009. The reversal of 19906962999 is 99926960991.

It is a happy number.

It is not a de Polignac number, because 19906962999 - 2¹ = 19906962997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19906962997) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 395037 + ... + 442569.

It is an arithmetic number, because the mean of its divisors is an integer number (541887600).

Almost surely, 2^19906962999 is an apocalyptic number.

19906962999 is a deficient number, since it is larger than the sum of its proper divisors (14773843401).

19906962999 is a wasteful number, since it uses less digits than its factorization.

19906962999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47605 (or 47591 counting only the distinct ones).

The product of its (nonzero) digits is 38263752, while the sum is 69.

The spelling of 19906962999 in words is "nineteen billion, nine hundred six million, nine hundred sixty-two thousand, nine hundred ninety-nine".