12633242757 has 4 divisors (see below), whose sum is σ = 16844323680. Its totient is φ = 8422161836.

The previous prime is 12633242651. The next prime is 12633242761. The reversal of 12633242757 is 75724233621.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12633242757 - 2¹¹ = 12633240709 is a prime.

It is a super-2 number, since 2×12633242757² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12633240757) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2105540457 + ... + 2105540462.

It is an arithmetic number, because the mean of its divisors is an integer number (4211080920).

Almost surely, 2^12633242757 is an apocalyptic number.

It is an amenable number.

12633242757 is a deficient number, since it is larger than the sum of its proper divisors (4211080923).

12633242757 is an equidigital number, since it uses as much as digits as its factorization.

12633242757 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4211080922.

The product of its digits is 423360, while the sum is 42.

The spelling of 12633242757 in words is "twelve billion, six hundred thirty-three million, two hundred forty-two thousand, seven hundred fifty-seven".