2395774681 has 2 divisors, whose sum is σ = 2395774682. Its totient is φ = 2395774680.

The previous prime is 2395774639. The next prime is 2395774697. The reversal of 2395774681 is 1864775932.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1607288281 + 788486400 = 40091^2 + 28080^2 .

It is a cyclic number.

It is not a de Polignac number, because 2395774681 - 2¹¹ = 2395772633 is a prime.

It is a super-2 number, since 2×2395774681² = 11479472644241303522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2395774621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1197887340 + 1197887341.

It is an arithmetic number, because the mean of its divisors is an integer number (1197887341).

Almost surely, 2^2395774681 is an apocalyptic number.

It is an amenable number.

2395774681 is a deficient number, since it is larger than the sum of its proper divisors (1).

2395774681 is an equidigital number, since it uses as much as digits as its factorization.

2395774681 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2540160, while the sum is 52.

The square root of 2395774681 is about 48946.6513767796. The cubic root of 2395774681 is about 1338.0797253495.

The spelling of 2395774681 in words is "two billion, three hundred ninety-five million, seven hundred seventy-four thousand, six hundred eighty-one".