2990947637 has 2 divisors, whose sum is σ = 2990947638. Its totient is φ = 2990947636.

The previous prime is 2990947627. The next prime is 2990947639. The reversal of 2990947637 is 7367490992.

2990947637 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2847929956 + 143017681 = 53366^2 + 11959^2 .

It is a cyclic number.

It is not a de Polignac number, because 2990947637 - 2⁴ = 2990947621 is a prime.

Together with 2990947639, 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 (2990947639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1495473818 + 1495473819.

It is an arithmetic number, because the mean of its divisors is an integer number (1495473819).

Almost surely, 2^2990947637 is an apocalyptic number.

It is an amenable number.

2990947637 is a deficient number, since it is larger than the sum of its proper divisors (1).

2990947637 is an equidigital number, since it uses as much as digits as its factorization.

2990947637 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5143824, while the sum is 56.

The square root of 2990947637 is about 54689.5569281741. The cubic root of 2990947637 is about 1440.7974680372.

The spelling of 2990947637 in words is "two billion, nine hundred ninety million, nine hundred forty-seven thousand, six hundred thirty-seven".