12450641431 has 2 divisors, whose sum is σ = 12450641432. Its totient is φ = 12450641430.

The previous prime is 12450641419. The next prime is 12450641447. The reversal of 12450641431 is 13414605421.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12450641431 - 2¹⁵ = 12450608663 is a prime.

It is a super-2 number, since 2×12450641431² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12450641393 and 12450641402.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12450641531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6225320715 + 6225320716.

It is an arithmetic number, because the mean of its divisors is an integer number (6225320716).

Almost surely, 2^12450641431 is an apocalyptic number.

12450641431 is a deficient number, since it is larger than the sum of its proper divisors (1).

12450641431 is an equidigital number, since it uses as much as digits as its factorization.

12450641431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11520, while the sum is 31.

The spelling of 12450641431 in words is "twelve billion, four hundred fifty million, six hundred forty-one thousand, four hundred thirty-one".