3405970999 has 2 divisors, whose sum is σ = 3405971000. Its totient is φ = 3405970998.

The previous prime is 3405970943. The next prime is 3405971011. The reversal of 3405970999 is 9990795043.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3405970999 - 2⁷ = 3405970871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3405976999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1702985499 + 1702985500.

It is an arithmetic number, because the mean of its divisors is an integer number (1702985500).

Almost surely, 2^3405970999 is an apocalyptic number.

3405970999 is a deficient number, since it is larger than the sum of its proper divisors (1).

3405970999 is an equidigital number, since it uses as much as digits as its factorization.

3405970999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2755620, while the sum is 55.

The square root of 3405970999 is about 58360.6973827421. The cubic root of 3405970999 is about 1504.5743322908.

The spelling of 3405970999 in words is "three billion, four hundred five million, nine hundred seventy thousand, nine hundred ninety-nine".