19232118407 has 2 divisors, whose sum is σ = 19232118408. Its totient is φ = 19232118406.

The previous prime is 19232118391. The next prime is 19232118457. The reversal of 19232118407 is 70481123291.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 19232118407 - 2⁴ = 19232118391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19232118457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9616059203 + 9616059204.

It is an arithmetic number, because the mean of its divisors is an integer number (9616059204).

Almost surely, 2^19232118407 is an apocalyptic number.

19232118407 is a deficient number, since it is larger than the sum of its proper divisors (1).

19232118407 is an equidigital number, since it uses as much as digits as its factorization.

19232118407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 38.

The spelling of 19232118407 in words is "nineteen billion, two hundred thirty-two million, one hundred eighteen thousand, four hundred seven".