12239739467 has 2 divisors, whose sum is σ = 12239739468. Its totient is φ = 12239739466.

The previous prime is 12239739419. The next prime is 12239739481. The reversal of 12239739467 is 76493793221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12239739467 - 2¹⁶ = 12239673931 is a prime.

It is a super-2 number, since 2×12239739467² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12239739497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6119869733 + 6119869734.

It is an arithmetic number, because the mean of its divisors is an integer number (6119869734).

Almost surely, 2^12239739467 is an apocalyptic number.

12239739467 is a deficient number, since it is larger than the sum of its proper divisors (1).

12239739467 is an equidigital number, since it uses as much as digits as its factorization.

12239739467 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3429216, while the sum is 53.

The spelling of 12239739467 in words is "twelve billion, two hundred thirty-nine million, seven hundred thirty-nine thousand, four hundred sixty-seven".