2573194991 has 2 divisors, whose sum is σ = 2573194992. Its totient is φ = 2573194990.

The previous prime is 2573194979. The next prime is 2573195003. The reversal of 2573194991 is 1994913752.

It is a balanced prime because it is at equal distance from previous prime (2573194979) and next prime (2573195003).

It is a cyclic number.

It is not a de Polignac number, because 2573194991 - 2⁶ = 2573194927 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2573194961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1286597495 + 1286597496.

It is an arithmetic number, because the mean of its divisors is an integer number (1286597496).

Almost surely, 2^2573194991 is an apocalyptic number.

2573194991 is a deficient number, since it is larger than the sum of its proper divisors (1).

2573194991 is an equidigital number, since it uses as much as digits as its factorization.

2573194991 is an evil number, because the sum of its binary digits is even.

The product of its digits is 612360, while the sum is 50.

The square root of 2573194991 is about 50726.6694254610. The cubic root of 2573194991 is about 1370.3270554882.

The spelling of 2573194991 in words is "two billion, five hundred seventy-three million, one hundred ninety-four thousand, nine hundred ninety-one".