19368207969 has 16 divisors (see below), whose sum is σ = 28189612224. Its totient is φ = 11730944000.

The previous prime is 19368207961. The next prime is 19368208019. The reversal of 19368207969 is 96970286391.

It is a cyclic number.

It is not a de Polignac number, because 19368207969 - 2³ = 19368207961 is a prime.

It is a super-2 number, since 2×19368207969² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (19368207961) 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, 130464 + ... + 236129.

It is an arithmetic number, because the mean of its divisors is an integer number (1761850764).

Almost surely, 2^19368207969 is an apocalyptic number.

It is an amenable number.

19368207969 is a deficient number, since it is larger than the sum of its proper divisors (8821404255).

19368207969 is a wasteful number, since it uses less digits than its factorization.

19368207969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368208.

The product of its (nonzero) digits is 8817984, while the sum is 60.

The spelling of 19368207969 in words is "nineteen billion, three hundred sixty-eight million, two hundred seven thousand, nine hundred sixty-nine".