10001676021 has 4 divisors (see below), whose sum is σ = 13335568032. Its totient is φ = 6667784012.

The previous prime is 10001676001. The next prime is 10001676029. The reversal of 10001676021 is 12067610001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10001676021 - 2²⁶ = 9934567157 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10001675982 and 10001676000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10001676029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1666946001 + ... + 1666946006.

It is an arithmetic number, because the mean of its divisors is an integer number (3333892008).

Almost surely, 2^10001676021 is an apocalyptic number.

It is an amenable number.

10001676021 is a deficient number, since it is larger than the sum of its proper divisors (3333892011).

10001676021 is an equidigital number, since it uses as much as digits as its factorization.

10001676021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3333892010.

The product of its (nonzero) digits is 504, while the sum is 24.

The spelling of 10001676021 in words is "ten billion, one million, six hundred seventy-six thousand, twenty-one".