3704313581 has 2 divisors, whose sum is σ = 3704313582. Its totient is φ = 3704313580.

The previous prime is 3704313539. The next prime is 3704313607. The reversal of 3704313581 is 1853134073.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2446192681 + 1258120900 = 49459^2 + 35470^2 .

It is a cyclic number.

It is not a de Polignac number, because 3704313581 - 2¹⁴ = 3704297197 is a prime.

It is a super-2 number, since 2×3704313581² = 27443878212762087122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3704313881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1852156790 + 1852156791.

It is an arithmetic number, because the mean of its divisors is an integer number (1852156791).

Almost surely, 2^3704313581 is an apocalyptic number.

It is an amenable number.

3704313581 is a deficient number, since it is larger than the sum of its proper divisors (1).

3704313581 is an equidigital number, since it uses as much as digits as its factorization.

3704313581 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 3704313581 is about 60863.0723920507. The cubic root of 3704313581 is about 1547.2811971994.

The spelling of 3704313581 in words is "three billion, seven hundred four million, three hundred thirteen thousand, five hundred eighty-one".