12457529597 has 2 divisors, whose sum is σ = 12457529598. Its totient is φ = 12457529596.

The previous prime is 12457529551. The next prime is 12457529663. The reversal of 12457529597 is 79592575421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11765523961 + 692005636 = 108469^2 + 26306^2 .

It is a cyclic number.

It is not a de Polignac number, because 12457529597 - 2¹² = 12457525501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12457529897) 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, 6228764798 + 6228764799.

It is an arithmetic number, because the mean of its divisors is an integer number (6228764799).

Almost surely, 2^12457529597 is an apocalyptic number.

It is an amenable number.

12457529597 is a deficient number, since it is larger than the sum of its proper divisors (1).

12457529597 is an equidigital number, since it uses as much as digits as its factorization.

12457529597 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7938000, while the sum is 56.

The spelling of 12457529597 in words is "twelve billion, four hundred fifty-seven million, five hundred twenty-nine thousand, five hundred ninety-seven".