2970705649 has 2 divisors, whose sum is σ = 2970705650. Its totient is φ = 2970705648.

The previous prime is 2970705629. The next prime is 2970705677. The reversal of 2970705649 is 9465070792.

2970705649 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1810077025 + 1160628624 = 42545^2 + 34068^2 .

It is a cyclic number.

It is not a de Polignac number, because 2970705649 - 2¹¹ = 2970703601 is a prime.

It is a super-2 number, since 2×2970705649² = 17650184106001022402, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2970705629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1485352824 + 1485352825.

It is an arithmetic number, because the mean of its divisors is an integer number (1485352825).

Almost surely, 2^2970705649 is an apocalyptic number.

It is an amenable number.

2970705649 is a deficient number, since it is larger than the sum of its proper divisors (1).

2970705649 is an equidigital number, since it uses as much as digits as its factorization.

2970705649 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 952560, while the sum is 49.

The square root of 2970705649 is about 54504.1801057497. The cubic root of 2970705649 is about 1437.5397885294.

The spelling of 2970705649 in words is "two billion, nine hundred seventy million, seven hundred five thousand, six hundred forty-nine".