3319402661 has 2 divisors, whose sum is σ = 3319402662. Its totient is φ = 3319402660.

The previous prime is 3319402577. The next prime is 3319402687. The reversal of 3319402661 is 1662049133.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2901976900 + 417425761 = 53870^2 + 20431^2 .

It is a cyclic number.

It is not a de Polignac number, because 3319402661 - 2¹⁴ = 3319386277 is a prime.

It is a super-2 number, since 2×3319402661² = 22036868051707761842, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3319401661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1659701330 + 1659701331.

It is an arithmetic number, because the mean of its divisors is an integer number (1659701331).

Almost surely, 2^3319402661 is an apocalyptic number.

It is an amenable number.

3319402661 is a deficient number, since it is larger than the sum of its proper divisors (1).

3319402661 is an equidigital number, since it uses as much as digits as its factorization.

3319402661 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 35.

The square root of 3319402661 is about 57614.2574455317. The cubic root of 3319402661 is about 1491.7177104734.

The spelling of 3319402661 in words is "three billion, three hundred nineteen million, four hundred two thousand, six hundred sixty-one".