21367235472652 has 96 divisors (see below), whose sum is σ = 38750770041984. Its totient is φ = 10304630784000.

The previous prime is 21367235472613. The next prime is 21367235472703. The reversal of 21367235472652 is 25627453276312.

It is a junction number, because it is equal to n+sod(n) for n = 21367235472593 and 21367235472602.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3683368152 + ... + 3683373952.

It is an arithmetic number, because the mean of its divisors is an integer number (403653854604).

Almost surely, 2^{21367235472652} is an apocalyptic number.

It is an amenable number.

21367235472652 is a deficient number, since it is larger than the sum of its proper divisors (17383534569332).

21367235472652 is a wasteful number, since it uses less digits than its factorization.

21367235472652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7379 (or 7377 counting only the distinct ones).

The product of its digits is 25401600, while the sum is 55.

The spelling of 21367235472652 in words is "twenty-one trillion, three hundred sixty-seven billion, two hundred thirty-five million, four hundred seventy-two thousand, six hundred fifty-two".