2947397351 has 2 divisors, whose sum is σ = 2947397352. Its totient is φ = 2947397350.

The previous prime is 2947397317. The next prime is 2947397407. The reversal of 2947397351 is 1537937492.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2947397351 - 2¹⁰ = 2947396327 is a prime.

It is a super-2 number, since 2×2947397351² = 17374302289363634402, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2947397351.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2947397311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1473698675 + 1473698676.

It is an arithmetic number, because the mean of its divisors is an integer number (1473698676).

Almost surely, 2^2947397351 is an apocalyptic number.

2947397351 is a deficient number, since it is larger than the sum of its proper divisors (1).

2947397351 is an equidigital number, since it uses as much as digits as its factorization.

2947397351 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1428840, while the sum is 50.

The square root of 2947397351 is about 54289.9378430294. The cubic root of 2947397351 is about 1433.7702440497.

The spelling of 2947397351 in words is "two billion, nine hundred forty-seven million, three hundred ninety-seven thousand, three hundred fifty-one".