2073097991 has 2 divisors, whose sum is σ = 2073097992. Its totient is φ = 2073097990.

The previous prime is 2073097979. The next prime is 2073098029. The reversal of 2073097991 is 1997903702.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2073097991 - 2¹⁰ = 2073096967 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2073097931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1036548995 + 1036548996.

It is an arithmetic number, because the mean of its divisors is an integer number (1036548996).

Almost surely, 2^2073097991 is an apocalyptic number.

2073097991 is a deficient number, since it is larger than the sum of its proper divisors (1).

2073097991 is an equidigital number, since it uses as much as digits as its factorization.

2073097991 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 214326, while the sum is 47.

The square root of 2073097991 is about 45531.2858483044. The cubic root of 2073097991 is about 1275.0873688175.

The spelling of 2073097991 in words is "two billion, seventy-three million, ninety-seven thousand, nine hundred ninety-one".