12404323951 has 2 divisors, whose sum is σ = 12404323952. Its totient is φ = 12404323950.

The previous prime is 12404323949. The next prime is 12404324029. The reversal of 12404323951 is 15932340421.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12404323951 - 2¹ = 12404323949 is a prime.

Together with 12404323949, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12404323901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6202161975 + 6202161976.

It is an arithmetic number, because the mean of its divisors is an integer number (6202161976).

Almost surely, 2^12404323951 is an apocalyptic number.

12404323951 is a deficient number, since it is larger than the sum of its proper divisors (1).

12404323951 is an equidigital number, since it uses as much as digits as its factorization.

12404323951 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 34.

The spelling of 12404323951 in words is "twelve billion, four hundred four million, three hundred twenty-three thousand, nine hundred fifty-one".