2190331400093 has 4 divisors (see below), whose sum is σ = 2190334577088. Its totient is φ = 2190328223100.

The previous prime is 2190331400077. The next prime is 2190331400099. The reversal of 2190331400093 is 3900041330912.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2190331400093 - 2⁴ = 2190331400077 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2190331400099) 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, 71333 + ... + 2094218.

It is an arithmetic number, because the mean of its divisors is an integer number (547583644272).

Almost surely, 2^{2190331400093} is an apocalyptic number.

It is an amenable number.

2190331400093 is a deficient number, since it is larger than the sum of its proper divisors (3176995).

2190331400093 is a wasteful number, since it uses less digits than its factorization.

2190331400093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3176994.

The product of its (nonzero) digits is 17496, while the sum is 35.

The spelling of 2190331400093 in words is "two trillion, one hundred ninety billion, three hundred thirty-one million, four hundred thousand, ninety-three".