19907970467 has 16 divisors (see below), whose sum is σ = 24823456512. Its totient is φ = 15510748320.

The previous prime is 19907970443. The next prime is 19907970491. The reversal of 19907970467 is 76407970991.

It is an interprime number because it is at equal distance from previous prime (19907970443) and next prime (19907970491).

It is a cyclic number.

It is not a de Polignac number, because 19907970467 - 2¹⁰ = 19907969443 is a prime.

It is a super-2 number, since 2×19907970467² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19907970427) 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, 1039793 + ... + 1058765.

It is an arithmetic number, because the mean of its divisors is an integer number (1551466032).

Almost surely, 2^19907970467 is an apocalyptic number.

19907970467 is a deficient number, since it is larger than the sum of its proper divisors (4915486045).

19907970467 is a wasteful number, since it uses less digits than its factorization.

19907970467 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32618.

The product of its (nonzero) digits is 6001128, while the sum is 59.

The spelling of 19907970467 in words is "nineteen billion, nine hundred seven million, nine hundred seventy thousand, four hundred sixty-seven".