2953744681 has 2 divisors, whose sum is σ = 2953744682. Its totient is φ = 2953744680.

The previous prime is 2953744637. The next prime is 2953744687. The reversal of 2953744681 is 1864473592.

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., 2720144025 + 233600656 = 52155^2 + 15284^2 .

It is a cyclic number.

It is not a de Polignac number, because 2953744681 - 2²⁹ = 2416873769 is a prime.

It is a super-2 number, since 2×2953744681² = 17449215281071583522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2953744687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1476872340 + 1476872341.

It is an arithmetic number, because the mean of its divisors is an integer number (1476872341).

Almost surely, 2^2953744681 is an apocalyptic number.

It is an amenable number.

2953744681 is a deficient number, since it is larger than the sum of its proper divisors (1).

2953744681 is an equidigital number, since it uses as much as digits as its factorization.

2953744681 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1451520, while the sum is 49.

The square root of 2953744681 is about 54348.3641060152. The cubic root of 2953744681 is about 1434.7987319854.

The spelling of 2953744681 in words is "two billion, nine hundred fifty-three million, seven hundred forty-four thousand, six hundred eighty-one".