3597997961 has 2 divisors, whose sum is σ = 3597997962. Its totient is φ = 3597997960.

The previous prime is 3597997937. The next prime is 3597997979. The reversal of 3597997961 is 1697997953.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3272412025 + 325585936 = 57205^2 + 18044^2 .

It is a cyclic number.

It is not a de Polignac number, because 3597997961 - 2¹⁴ = 3597981577 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (3597997261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1798998980 + 1798998981.

It is an arithmetic number, because the mean of its divisors is an integer number (1798998981).

Almost surely, 2^3597997961 is an apocalyptic number.

It is an amenable number.

3597997961 is a deficient number, since it is larger than the sum of its proper divisors (1).

3597997961 is an equidigital number, since it uses as much as digits as its factorization.

3597997961 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 28934010, while the sum is 65.

The square root of 3597997961 is about 59983.3140214843. The cubic root of 3597997961 is about 1532.3347044436.

The spelling of 3597997961 in words is "three billion, five hundred ninety-seven million, nine hundred ninety-seven thousand, nine hundred sixty-one".