10642644521363 has 8 divisors (see below), whose sum is σ = 10902309472320. Its totient is φ = 10382983773120.

The previous prime is 10642644521359. The next prime is 10642644521413. The reversal of 10642644521363 is 36312544624601.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10642644521363 - 2² = 10642644521359 is a prime.

It is a super-2 number, since 2×10642644521363² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10642644521563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4418918 + ... + 6388436.

It is an arithmetic number, because the mean of its divisors is an integer number (1362788684040).

Almost surely, 2^{10642644521363} is an apocalyptic number.

10642644521363 is a deficient number, since it is larger than the sum of its proper divisors (259664950957).

10642644521363 is a wasteful number, since it uses less digits than its factorization.

10642644521363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2101357.

The product of its (nonzero) digits is 2488320, while the sum is 47.

The spelling of 10642644521363 in words is "ten trillion, six hundred forty-two billion, six hundred forty-four million, five hundred twenty-one thousand, three hundred sixty-three".