3351694649 has 2 divisors, whose sum is σ = 3351694650. Its totient is φ = 3351694648.

The previous prime is 3351694637. The next prime is 3351694669. The reversal of 3351694649 is 9464961533.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3304525225 + 47169424 = 57485^2 + 6868^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3351694649 is a prime.

It is a super-2 number, since 2×3351694649² = 22467714040270466402, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3351694597 and 3351694606.

It is not a weakly prime, because it can be changed into another prime (3351694669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1675847324 + 1675847325.

It is an arithmetic number, because the mean of its divisors is an integer number (1675847325).

Almost surely, 2^3351694649 is an apocalyptic number.

It is an amenable number.

3351694649 is a deficient number, since it is larger than the sum of its proper divisors (1).

3351694649 is an equidigital number, since it uses as much as digits as its factorization.

3351694649 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2099520, while the sum is 50.

The square root of 3351694649 is about 57893.8222006459. The cubic root of 3351694649 is about 1496.5393776091.

The spelling of 3351694649 in words is "three billion, three hundred fifty-one million, six hundred ninety-four thousand, six hundred forty-nine".