2970130721 has 2 divisors, whose sum is σ = 2970130722. Its totient is φ = 2970130720.

The previous prime is 2970130693. The next prime is 2970130769. The reversal of 2970130721 is 1270310792.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2327001121 + 643129600 = 48239^2 + 25360^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2970130721 is a prime.

It is not a weakly prime, because it can be changed into another prime (2970130771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1485065360 + 1485065361.

It is an arithmetic number, because the mean of its divisors is an integer number (1485065361).

Almost surely, 2^2970130721 is an apocalyptic number.

It is an amenable number.

2970130721 is a deficient number, since it is larger than the sum of its proper divisors (1).

2970130721 is an equidigital number, since it uses as much as digits as its factorization.

2970130721 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5292, while the sum is 32.

The square root of 2970130721 is about 54498.9056862613. The cubic root of 2970130721 is about 1437.4470456712.

The spelling of 2970130721 in words is "two billion, nine hundred seventy million, one hundred thirty thousand, seven hundred twenty-one".