12464154991 has 2 divisors, whose sum is σ = 12464154992. Its totient is φ = 12464154990.

The previous prime is 12464154959. The next prime is 12464155001. The reversal of 12464154991 is 19945146421.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12464154991 - 2⁵ = 12464154959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12464154491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6232077495 + 6232077496.

It is an arithmetic number, because the mean of its divisors is an integer number (6232077496).

Almost surely, 2^12464154991 is an apocalyptic number.

12464154991 is a deficient number, since it is larger than the sum of its proper divisors (1).

12464154991 is an equidigital number, since it uses as much as digits as its factorization.

12464154991 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 311040, while the sum is 46.

The spelling of 12464154991 in words is "twelve billion, four hundred sixty-four million, one hundred fifty-four thousand, nine hundred ninety-one".