12635453043 has 6 divisors (see below), whose sum is σ = 18251209964. Its totient is φ = 8423635356.

The previous prime is 12635453027. The next prime is 12635453107. The reversal of 12635453043 is 34035453621.

12635453043 is a `hidden beast` number, since 12 + 63 + 54 + 530 + 4 + 3 = 666.

It is not a de Polignac number, because 12635453043 - 2⁴ = 12635453027 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12635452989 and 12635453007.

It is not an unprimeable number, because it can be changed into a prime (12635493043) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 701969605 + ... + 701969622.

Almost surely, 2^12635453043 is an apocalyptic number.

12635453043 is a deficient number, since it is larger than the sum of its proper divisors (5615756921).

12635453043 is a wasteful number, since it uses less digits than its factorization.

12635453043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1403939233 (or 1403939230 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 36.

The spelling of 12635453043 in words is "twelve billion, six hundred thirty-five million, four hundred fifty-three thousand, forty-three".