19962292439 has 2 divisors, whose sum is σ = 19962292440. Its totient is φ = 19962292438.

The previous prime is 19962292403. The next prime is 19962292459. The reversal of 19962292439 is 93429226991.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-19962292439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19962292459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9981146219 + 9981146220.

It is an arithmetic number, because the mean of its divisors is an integer number (9981146220).

Almost surely, 2^19962292439 is an apocalyptic number.

19962292439 is a deficient number, since it is larger than the sum of its proper divisors (1).

19962292439 is an equidigital number, since it uses as much as digits as its factorization.

19962292439 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3779136, while the sum is 56.

The spelling of 19962292439 in words is "nineteen billion, nine hundred sixty-two million, two hundred ninety-two thousand, four hundred thirty-nine".