2931897601 has 2 divisors, whose sum is σ = 2931897602. Its totient is φ = 2931897600.

The previous prime is 2931897523. The next prime is 2931897623. The reversal of 2931897601 is 1067981392.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1766016576 + 1165881025 = 42024^2 + 34145^2 .

It is a cyclic number.

It is not a de Polignac number, because 2931897601 - 2¹⁷ = 2931766529 is a prime.

It is not a weakly prime, because it can be changed into another prime (2931897701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1465948800 + 1465948801.

It is an arithmetic number, because the mean of its divisors is an integer number (1465948801).

Almost surely, 2^2931897601 is an apocalyptic number.

It is an amenable number.

2931897601 is a deficient number, since it is larger than the sum of its proper divisors (1).

2931897601 is an equidigital number, since it uses as much as digits as its factorization.

2931897601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 163296, while the sum is 46.

The square root of 2931897601 is about 54146.9999261270. Note that the first 4 decimals coincide. The cubic root of 2931897601 is about 1431.2525255996.

The spelling of 2931897601 in words is "two billion, nine hundred thirty-one million, eight hundred ninety-seven thousand, six hundred one".