2094407993 has 2 divisors, whose sum is σ = 2094407994. Its totient is φ = 2094407992.

The previous prime is 2094407989. The next prime is 2094408011. The reversal of 2094407993 is 3997044902.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1867363369 + 227044624 = 43213^2 + 15068^2 .

It is a cyclic number.

It is not a de Polignac number, because 2094407993 - 2² = 2094407989 is a prime.

It is a super-2 number, since 2×2094407993² = 8773089682284576098, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2094407933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1047203996 + 1047203997.

It is an arithmetic number, because the mean of its divisors is an integer number (1047203997).

Almost surely, 2^2094407993 is an apocalyptic number.

It is an amenable number.

2094407993 is a deficient number, since it is larger than the sum of its proper divisors (1).

2094407993 is an equidigital number, since it uses as much as digits as its factorization.

2094407993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 489888, while the sum is 47.

The square root of 2094407993 is about 45764.7024790941. The cubic root of 2094407993 is about 1279.4414866812.

The spelling of 2094407993 in words is "two billion, ninety-four million, four hundred seven thousand, nine hundred ninety-three".