3122642641 has 2 divisors, whose sum is σ = 3122642642. Its totient is φ = 3122642640.

The previous prime is 3122642629. The next prime is 3122642681. The reversal of 3122642641 is 1462462213.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2298723025 + 823919616 = 47945^2 + 28704^2 .

It is a cyclic number.

It is not a de Polignac number, because 3122642641 - 2⁷ = 3122642513 is a prime.

It is not a weakly prime, because it can be changed into another prime (3122642681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1561321320 + 1561321321.

It is an arithmetic number, because the mean of its divisors is an integer number (1561321321).

Almost surely, 2^3122642641 is an apocalyptic number.

It is an amenable number.

3122642641 is a deficient number, since it is larger than the sum of its proper divisors (1).

3122642641 is an equidigital number, since it uses as much as digits as its factorization.

3122642641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13824, while the sum is 31.

The square root of 3122642641 is about 55880.6105997420. The cubic root of 3122642641 is about 1461.6411521196.

The spelling of 3122642641 in words is "three billion, one hundred twenty-two million, six hundred forty-two thousand, six hundred forty-one".