3315469681 has 4 divisors (see below), whose sum is σ = 3315606772. Its totient is φ = 3315332592.

The previous prime is 3315469627. The next prime is 3315469691. The reversal of 3315469681 is 1869645133.

3315469681 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1869645133 = 107 ⋅17473319.

It can be written as a sum of positive squares in 2 ways, for example, as 2151568225 + 1163901456 = 46385^2 + 34116^2 .

It is a cyclic number.

It is not a de Polignac number, because 3315469681 - 2⁹ = 3315469169 is a prime.

It is a super-2 number, since 2×3315469681² = 21984678411260483522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3315469691) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21510 + ... + 84223.

It is an arithmetic number, because the mean of its divisors is an integer number (828901693).

Almost surely, 2^3315469681 is an apocalyptic number.

It is an amenable number.

3315469681 is a deficient number, since it is larger than the sum of its proper divisors (137091).

3315469681 is a wasteful number, since it uses less digits than its factorization.

3315469681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137090.

The product of its digits is 466560, while the sum is 46.

The square root of 3315469681 is about 57580.1153263868. The cubic root of 3315469681 is about 1491.1283258593.

The spelling of 3315469681 in words is "three billion, three hundred fifteen million, four hundred sixty-nine thousand, six hundred eighty-one".