3381661697 has 4 divisors (see below), whose sum is σ = 3437098836. Its totient is φ = 3326224560.

The previous prime is 3381661693. The next prime is 3381661739. The reversal of 3381661697 is 7961661833.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 53640976 + 3328020721 = 7324^2 + 57689^2 .

It is a cyclic number.

It is not a de Polignac number, because 3381661697 - 2² = 3381661693 is a prime.

It is a super-2 number, since 2×3381661697² = 22871271665913839618, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3381661693) 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, 27718478 + ... + 27718599.

It is an arithmetic number, because the mean of its divisors is an integer number (859274709).

Almost surely, 2^3381661697 is an apocalyptic number.

It is an amenable number.

3381661697 is a deficient number, since it is larger than the sum of its proper divisors (55437139).

3381661697 is an equidigital number, since it uses as much as digits as its factorization.

3381661697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55437138.

The product of its digits is 979776, while the sum is 50.

The square root of 3381661697 is about 58152.0566876185. The cubic root of 3381661697 is about 1500.9862694470.

The spelling of 3381661697 in words is "three billion, three hundred eighty-one million, six hundred sixty-one thousand, six hundred ninety-seven".