2731074197 has 2 divisors, whose sum is σ = 2731074198. Its totient is φ = 2731074196.

The previous prime is 2731074163. The next prime is 2731074253. The reversal of 2731074197 is 7914701372.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1687073476 + 1044000721 = 41074^2 + 32311^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2731074197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2731074397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1365537098 + 1365537099.

It is an arithmetic number, because the mean of its divisors is an integer number (1365537099).

Almost surely, 2^2731074197 is an apocalyptic number.

It is an amenable number.

2731074197 is a deficient number, since it is larger than the sum of its proper divisors (1).

2731074197 is an equidigital number, since it uses as much as digits as its factorization.

2731074197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 74088, while the sum is 41.

The square root of 2731074197 is about 52259.6804142544. The cubic root of 2731074197 is about 1397.7982734275.

The spelling of 2731074197 in words is "two billion, seven hundred thirty-one million, seventy-four thousand, one hundred ninety-seven".