12453655537 has 2 divisors, whose sum is σ = 12453655538. Its totient is φ = 12453655536.

The previous prime is 12453655523. The next prime is 12453655553. The reversal of 12453655537 is 73555635421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9877179456 + 2576476081 = 99384^2 + 50759^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12453655537 is a prime.

It is not a weakly prime, because it can be changed into another prime (12453655567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6226827768 + 6226827769.

It is an arithmetic number, because the mean of its divisors is an integer number (6226827769).

Almost surely, 2^12453655537 is an apocalyptic number.

It is an amenable number.

12453655537 is a deficient number, since it is larger than the sum of its proper divisors (1).

12453655537 is an equidigital number, since it uses as much as digits as its factorization.

12453655537 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1890000, while the sum is 46.

The spelling of 12453655537 in words is "twelve billion, four hundred fifty-three million, six hundred fifty-five thousand, five hundred thirty-seven".