12435552431 has 2 divisors, whose sum is σ = 12435552432. Its totient is φ = 12435552430.

The previous prime is 12435552403. The next prime is 12435552449. The reversal of 12435552431 is 13425553421.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12435552431 - 2²² = 12431358127 is a prime.

It is a super-2 number, since 2×12435552431² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12435552391 and 12435552400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12435552461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6217776215 + 6217776216.

It is an arithmetic number, because the mean of its divisors is an integer number (6217776216).

Almost surely, 2^12435552431 is an apocalyptic number.

12435552431 is a deficient number, since it is larger than the sum of its proper divisors (1).

12435552431 is an equidigital number, since it uses as much as digits as its factorization.

12435552431 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72000, while the sum is 35.

The spelling of 12435552431 in words is "twelve billion, four hundred thirty-five million, five hundred fifty-two thousand, four hundred thirty-one".