2997538637 has 2 divisors, whose sum is σ = 2997538638. Its totient is φ = 2997538636.

The previous prime is 2997538631. The next prime is 2997538639. The reversal of 2997538637 is 7368357992.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2298147721 + 699390916 = 47939^2 + 26446^2 .

It is a cyclic number.

It is not a de Polignac number, because 2997538637 - 2⁶ = 2997538573 is a prime.

Together with 2997538639, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2997538631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1498769318 + 1498769319.

It is an arithmetic number, because the mean of its divisors is an integer number (1498769319).

Almost surely, 2^2997538637 is an apocalyptic number.

It is an amenable number.

2997538637 is a deficient number, since it is larger than the sum of its proper divisors (1).

2997538637 is an equidigital number, since it uses as much as digits as its factorization.

2997538637 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17146080, while the sum is 59.

The square root of 2997538637 is about 54749.7820726256. The cubic root of 2997538637 is about 1441.8550290835.

The spelling of 2997538637 in words is "two billion, nine hundred ninety-seven million, five hundred thirty-eight thousand, six hundred thirty-seven".