19832240479 has 2 divisors, whose sum is σ = 19832240480. Its totient is φ = 19832240478.

The previous prime is 19832240437. The next prime is 19832240513. The reversal of 19832240479 is 97404223891.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 19832240479 - 2²⁹ = 19295369567 is a prime.

It is a super-2 number, since 2×19832240479² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19832240279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9916120239 + 9916120240.

It is an arithmetic number, because the mean of its divisors is an integer number (9916120240).

Almost surely, 2^19832240479 is an apocalyptic number.

19832240479 is a deficient number, since it is larger than the sum of its proper divisors (1).

19832240479 is an equidigital number, since it uses as much as digits as its factorization.

19832240479 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 870912, while the sum is 49.

The spelling of 19832240479 in words is "nineteen billion, eight hundred thirty-two million, two hundred forty thousand, four hundred seventy-nine".