19320980409 has 16 divisors (see below), whose sum is σ = 28886281600. Its totient is φ = 12762480528.

The previous prime is 19320980381. The next prime is 19320980411. The reversal of 19320980409 is 90408902391.

19320980409 = T₁₈₇₇₄ + T₁₈₇₇₅ + ... + T₁₈₈₈₂.

It is not a de Polignac number, because 19320980409 - 2¹¹ = 19320978361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19320980489) 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, 3279589 + ... + 3285474.

It is an arithmetic number, because the mean of its divisors is an integer number (1805392600).

Almost surely, 2^19320980409 is an apocalyptic number.

It is an amenable number.

19320980409 is a deficient number, since it is larger than the sum of its proper divisors (9565301191).

19320980409 is a wasteful number, since it uses less digits than its factorization.

19320980409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6565181 (or 6565175 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 45.

The spelling of 19320980409 in words is "nineteen billion, three hundred twenty million, nine hundred eighty thousand, four hundred nine".