12653524642 has 32 divisors (see below), whose sum is σ = 21255310080. Its totient is φ = 5600949120.

The previous prime is 12653524619. The next prime is 12653524657. The reversal of 12653524642 is 24642535621.

It is a happy number.

It is a super-2 number, since 2×12653524642² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12653524595 and 12653524604.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77008 + ... + 176740.

It is an arithmetic number, because the mean of its divisors is an integer number (664228440).

Almost surely, 2^12653524642 is an apocalyptic number.

12653524642 is a deficient number, since it is larger than the sum of its proper divisors (8601785438).

12653524642 is a wasteful number, since it uses less digits than its factorization.

12653524642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99898.

The product of its digits is 345600, while the sum is 40.

The spelling of 12653524642 in words is "twelve billion, six hundred fifty-three million, five hundred twenty-four thousand, six hundred forty-two".