12291765583 has 2 divisors, whose sum is σ = 12291765584. Its totient is φ = 12291765582.

The previous prime is 12291765557. The next prime is 12291765587. The reversal of 12291765583 is 38556719221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12291765583 - 2²¹ = 12289668431 is a prime.

It is a super-2 number, since 2×12291765583² (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 (12291765587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6145882791 + 6145882792.

It is an arithmetic number, because the mean of its divisors is an integer number (6145882792).

Almost surely, 2^12291765583 is an apocalyptic number.

12291765583 is a deficient number, since it is larger than the sum of its proper divisors (1).

12291765583 is an equidigital number, since it uses as much as digits as its factorization.

12291765583 is an evil number, because the sum of its binary digits is even.

The product of its digits is 907200, while the sum is 49.

The spelling of 12291765583 in words is "twelve billion, two hundred ninety-one million, seven hundred sixty-five thousand, five hundred eighty-three".