2818572961 has 2 divisors, whose sum is σ = 2818572962. Its totient is φ = 2818572960.

The previous prime is 2818572937. The next prime is 2818572983. The reversal of 2818572961 is 1692758182.

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., 2101672336 + 716900625 = 45844^2 + 26775^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2818572961 is a prime.

It is not a weakly prime, because it can be changed into another prime (2818572931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1409286480 + 1409286481.

It is an arithmetic number, because the mean of its divisors is an integer number (1409286481).

Almost surely, 2^2818572961 is an apocalyptic number.

It is an amenable number.

2818572961 is a deficient number, since it is larger than the sum of its proper divisors (1).

2818572961 is an equidigital number, since it uses as much as digits as its factorization.

2818572961 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 483840, while the sum is 49.

The square root of 2818572961 is about 53090.2341396231. The cubic root of 2818572961 is about 1412.5692907351.

The spelling of 2818572961 in words is "two billion, eight hundred eighteen million, five hundred seventy-two thousand, nine hundred sixty-one".