19396697064 has 32 divisors (see below), whose sum is σ = 48537424320. Its totient is φ = 6459474816.

The previous prime is 19396697051. The next prime is 19396697071. The reversal of 19396697064 is 46079669391.

It is a junction number, because it is equal to n+sod(n) for n = 19396696989 and 19396697007.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 354637 + ... + 405660.

It is an arithmetic number, because the mean of its divisors is an integer number (1516794510).

Almost surely, 2^19396697064 is an apocalyptic number.

It is an amenable number.

19396697064 is an abundant number, since it is smaller than the sum of its proper divisors (29140727256).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19396697064 is a wasteful number, since it uses less digits than its factorization.

19396697064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 761369 (or 761365 counting only the distinct ones).

The product of its (nonzero) digits is 13226976, while the sum is 60.

The spelling of 19396697064 in words is "nineteen billion, three hundred ninety-six million, six hundred ninety-seven thousand, sixty-four".