2194625956331 has 2 divisors, whose sum is σ = 2194625956332. Its totient is φ = 2194625956330.

The previous prime is 2194625956319. The next prime is 2194625956351. The reversal of 2194625956331 is 1336595264912.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2194625956331 - 2³⁴ = 2177446087147 is a prime.

It is a super-2 number, since 2×2194625956331² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2194625956351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1097312978165 + 1097312978166.

It is an arithmetic number, because the mean of its divisors is an integer number (1097312978166).

Almost surely, 2^{2194625956331} is an apocalyptic number.

2194625956331 is a deficient number, since it is larger than the sum of its proper divisors (1).

2194625956331 is an equidigital number, since it uses as much as digits as its factorization.

2194625956331 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10497600, while the sum is 56.

The spelling of 2194625956331 in words is "two trillion, one hundred ninety-four billion, six hundred twenty-five million, nine hundred fifty-six thousand, three hundred thirty-one".