243656652532 has 12 divisors (see below), whose sum is σ = 426672660960. Its totient is φ = 121750177976.

The previous prime is 243656652487. The next prime is 243656652581. The reversal of 243656652532 is 235256656342.

It is a super-2 number, since 2×243656652532² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19530058 + ... + 19542529.

It is an arithmetic number, because the mean of its divisors is an integer number (35556055080).

Almost surely, 2^243656652532 is an apocalyptic number.

It is an amenable number.

243656652532 is a deficient number, since it is larger than the sum of its proper divisors (183016008428).

243656652532 is a wasteful number, since it uses less digits than its factorization.

243656652532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39074150 (or 39074148 counting only the distinct ones).

The product of its digits is 7776000, while the sum is 49.

The spelling of 243656652532 in words is "two hundred forty-three billion, six hundred fifty-six million, six hundred fifty-two thousand, five hundred thirty-two".