8413290442921 has 32 divisors (see below), whose sum is σ = 10721373465600. Its totient is φ = 6421434001920.

The previous prime is 8413290442891. The next prime is 8413290442981. The reversal of 8413290442921 is 1292440923148.

It is not a de Polignac number, because 8413290442921 - 2¹⁹ = 8413289918633 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8413290442981) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1567536 + ... + 4391326.

It is an arithmetic number, because the mean of its divisors is an integer number (335042920800).

Almost surely, 2^{8413290442921} is an apocalyptic number.

It is an amenable number.

8413290442921 is a deficient number, since it is larger than the sum of its proper divisors (2308083022679).

8413290442921 is a wasteful number, since it uses less digits than its factorization.

8413290442921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2824969.

The product of its (nonzero) digits is 995328, while the sum is 49.

The spelling of 8413290442921 in words is "eight trillion, four hundred thirteen billion, two hundred ninety million, four hundred forty-two thousand, nine hundred twenty-one".