10342107621 has 20 divisors (see below), whose sum is σ = 15778036032. Its totient is φ = 6748039368.

The previous prime is 10342107613. The next prime is 10342107631. The reversal of 10342107621 is 12670124301.

10342107621 is a `hidden beast` number, since 1 + 0 + 34 + 2 + 1 + 0 + 7 + 621 = 666.

10342107621 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10342107621 - 2³ = 10342107613 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10342107631) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1354495 + ... + 1362108.

Almost surely, 2^10342107621 is an apocalyptic number.

It is an amenable number.

10342107621 is a deficient number, since it is larger than the sum of its proper divisors (5435928411).

10342107621 is an equidigital number, since it uses as much as digits as its factorization.

10342107621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2716662 (or 2716653 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The spelling of 10342107621 in words is "ten billion, three hundred forty-two million, one hundred seven thousand, six hundred twenty-one".