2331400220993 has 4 divisors (see below), whose sum is σ = 2331404465328. Its totient is φ = 2331395976660.

The previous prime is 2331400220983. The next prime is 2331400220999. The reversal of 2331400220993 is 3990220041332.

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 2331400220993 - 2²² = 2331396026689 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2331400220999) 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, 1149671 + ... + 2446332.

It is an arithmetic number, because the mean of its divisors is an integer number (582851116332).

Almost surely, 2^{2331400220993} is an apocalyptic number.

It is an amenable number.

2331400220993 is a deficient number, since it is larger than the sum of its proper divisors (4244335).

2331400220993 is an equidigital number, since it uses as much as digits as its factorization.

2331400220993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4244334.

The product of its (nonzero) digits is 69984, while the sum is 38.

The spelling of 2331400220993 in words is "two trillion, three hundred thirty-one billion, four hundred million, two hundred twenty thousand, nine hundred ninety-three".