2953657397 has 2 divisors, whose sum is σ = 2953657398. Its totient is φ = 2953657396.

The previous prime is 2953657387. The next prime is 2953657403. The reversal of 2953657397 is 7937563592.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2903162161 + 50495236 = 53881^2 + 7106^2 .

It is a cyclic number.

It is not a de Polignac number, because 2953657397 - 2²⁸ = 2685221941 is a prime.

It is a super-3 number, since 3×2953657397³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2953657387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1476828698 + 1476828699.

It is an arithmetic number, because the mean of its divisors is an integer number (1476828699).

Almost surely, 2^2953657397 is an apocalyptic number.

It is an amenable number.

2953657397 is a deficient number, since it is larger than the sum of its proper divisors (1).

2953657397 is an equidigital number, since it uses as much as digits as its factorization.

2953657397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10716300, while the sum is 56.

The square root of 2953657397 is about 54347.5610952322. The cubic root of 2953657397 is about 1434.7845989419.

The spelling of 2953657397 in words is "two billion, nine hundred fifty-three million, six hundred fifty-seven thousand, three hundred ninety-seven".