10642621444361 has 2 divisors, whose sum is σ = 10642621444362. Its totient is φ = 10642621444360.

The previous prime is 10642621444313. The next prime is 10642621444373. The reversal of 10642621444361 is 16344412624601.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7422050230336 + 3220571214025 = 2724344^2 + 1794595^2 .

It is a cyclic number.

It is not a de Polignac number, because 10642621444361 - 2³⁰ = 10641547702537 is a prime.

It is a super-2 number, since 2×10642621444361² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10642621404361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5321310722180 + 5321310722181.

It is an arithmetic number, because the mean of its divisors is an integer number (5321310722181).

Almost surely, 2^{10642621444361} is an apocalyptic number.

It is an amenable number.

10642621444361 is a deficient number, since it is larger than the sum of its proper divisors (1).

10642621444361 is an equidigital number, since it uses as much as digits as its factorization.

10642621444361 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 663552, while the sum is 44.

The spelling of 10642621444361 in words is "ten trillion, six hundred forty-two billion, six hundred twenty-one million, four hundred forty-four thousand, three hundred sixty-one".