3351666623 has 2 divisors, whose sum is σ = 3351666624. Its totient is φ = 3351666622.

The previous prime is 3351666613. The next prime is 3351666727. The reversal of 3351666623 is 3266661533.

It is a weak prime.

It is an emirp because it is prime and its reverse (3266661533) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3351666623 - 2¹⁶ = 3351601087 is a prime.

It is a super-2 number, since 2×3351666623² = 22467338303464448258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3351666613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1675833311 + 1675833312.

It is an arithmetic number, because the mean of its divisors is an integer number (1675833312).

Almost surely, 2^3351666623 is an apocalyptic number.

3351666623 is a deficient number, since it is larger than the sum of its proper divisors (1).

3351666623 is an equidigital number, since it uses as much as digits as its factorization.

3351666623 is an evil number, because the sum of its binary digits is even.

The product of its digits is 349920, while the sum is 41.

The square root of 3351666623 is about 57893.5801535887. The cubic root of 3351666623 is about 1496.5352063729.

The spelling of 3351666623 in words is "three billion, three hundred fifty-one million, six hundred sixty-six thousand, six hundred twenty-three".