3797912681 has 2 divisors, whose sum is σ = 3797912682. Its totient is φ = 3797912680.

The previous prime is 3797912669. The next prime is 3797912719. The reversal of 3797912681 is 1862197973.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3331136656 + 466776025 = 57716^2 + 21605^2 .

It is a cyclic number.

It is not a de Polignac number, because 3797912681 - 2¹⁸ = 3797650537 is a prime.

It is a super-2 number, since 2×3797912681² = 28848281465001215522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3797912581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1898956340 + 1898956341.

It is an arithmetic number, because the mean of its divisors is an integer number (1898956341).

Almost surely, 2^3797912681 is an apocalyptic number.

It is an amenable number.

3797912681 is a deficient number, since it is larger than the sum of its proper divisors (1).

3797912681 is an equidigital number, since it uses as much as digits as its factorization.

3797912681 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1143072, while the sum is 53.

The square root of 3797912681 is about 61627.2073113816. The cubic root of 3797912681 is about 1560.2049753947.

The spelling of 3797912681 in words is "three billion, seven hundred ninety-seven million, nine hundred twelve thousand, six hundred eighty-one".