2972889737 has 2 divisors, whose sum is σ = 2972889738. Its totient is φ = 2972889736.

The previous prime is 2972889719. The next prime is 2972889749. The reversal of 2972889737 is 7379882792.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2769285376 + 203604361 = 52624^2 + 14269^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2972889737 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2972889737.

It is not a weakly prime, because it can be changed into another prime (2972889797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1486444868 + 1486444869.

It is an arithmetic number, because the mean of its divisors is an integer number (1486444869).

Almost surely, 2^2972889737 is an apocalyptic number.

It is an amenable number.

2972889737 is a deficient number, since it is larger than the sum of its proper divisors (1).

2972889737 is an equidigital number, since it uses as much as digits as its factorization.

2972889737 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21337344, while the sum is 62.

The square root of 2972889737 is about 54524.2123922941. The cubic root of 2972889737 is about 1437.8919993775.

The spelling of 2972889737 in words is "two billion, nine hundred seventy-two million, eight hundred eighty-nine thousand, seven hundred thirty-seven".