2293706304921 has 16 divisors (see below), whose sum is σ = 3059702757440. Its totient is φ = 1528423853760.

The previous prime is 2293706304899. The next prime is 2293706304941. The reversal of 2293706304921 is 1294036073922.

It is not a de Polignac number, because 2293706304921 - 2⁵ = 2293706304889 is a prime.

It is a super-2 number, since 2×2293706304921² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2293706304941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81702675 + ... + 81730743.

It is an arithmetic number, because the mean of its divisors is an integer number (191231422340).

Almost surely, 2^{2293706304921} is an apocalyptic number.

It is an amenable number.

2293706304921 is a deficient number, since it is larger than the sum of its proper divisors (765996452519).

2293706304921 is a wasteful number, since it uses less digits than its factorization.

2293706304921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39816.

The product of its (nonzero) digits is 979776, while the sum is 48.

The spelling of 2293706304921 in words is "two trillion, two hundred ninety-three billion, seven hundred six million, three hundred four thousand, nine hundred twenty-one".