2942971397 has 2 divisors, whose sum is σ = 2942971398. Its totient is φ = 2942971396.

The previous prime is 2942971387. The next prime is 2942971429. The reversal of 2942971397 is 7931792492.

2942971397 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2697140356 + 245831041 = 51934^2 + 15679^2 .

It is a cyclic number.

It is not a de Polignac number, because 2942971397 - 2¹⁴ = 2942955013 is a prime.

It is a super-2 number, since 2×2942971397² = 17322161287120263218, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2942971387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1471485698 + 1471485699.

It is an arithmetic number, because the mean of its divisors is an integer number (1471485699).

Almost surely, 2^2942971397 is an apocalyptic number.

It is an amenable number.

2942971397 is a deficient number, since it is larger than the sum of its proper divisors (1).

2942971397 is an equidigital number, since it uses as much as digits as its factorization.

2942971397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1714608, while the sum is 53.

The square root of 2942971397 is about 54249.1603345158. The cubic root of 2942971397 is about 1433.0522116717.

The spelling of 2942971397 in words is "two billion, nine hundred forty-two million, nine hundred seventy-one thousand, three hundred ninety-seven".