2965627681 has 2 divisors, whose sum is σ = 2965627682. Its totient is φ = 2965627680.

The previous prime is 2965627601. The next prime is 2965627699. The reversal of 2965627681 is 1867265692.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2743140625 + 222487056 = 52375^2 + 14916^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2965627681 is a prime.

It is a super-2 number, since 2×2965627681² = 17589895084626875522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2965627601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1482813840 + 1482813841.

It is an arithmetic number, because the mean of its divisors is an integer number (1482813841).

Almost surely, 2^2965627681 is an apocalyptic number.

It is an amenable number.

2965627681 is a deficient number, since it is larger than the sum of its proper divisors (1).

2965627681 is an equidigital number, since it uses as much as digits as its factorization.

2965627681 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2177280, while the sum is 52.

The square root of 2965627681 is about 54457.5768924766. The cubic root of 2965627681 is about 1436.7202364152.

The spelling of 2965627681 in words is "two billion, nine hundred sixty-five million, six hundred twenty-seven thousand, six hundred eighty-one".