3420923969 has 2 divisors, whose sum is σ = 3420923970. Its totient is φ = 3420923968.

The previous prime is 3420923963. The next prime is 3420923977. The reversal of 3420923969 is 9693290243.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2778554944 + 642369025 = 52712^2 + 25345^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3420923969 is a prime.

It is a super-2 number, since 2×3420923969² = 23405441603357425922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3420923963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1710461984 + 1710461985.

It is an arithmetic number, because the mean of its divisors is an integer number (1710461985).

Almost surely, 2^3420923969 is an apocalyptic number.

It is an amenable number.

3420923969 is a deficient number, since it is larger than the sum of its proper divisors (1).

3420923969 is an equidigital number, since it uses as much as digits as its factorization.

3420923969 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 629856, while the sum is 47.

The square root of 3420923969 is about 58488.6653036296. The cubic root of 3420923969 is about 1506.7729232749.

The spelling of 3420923969 in words is "three billion, four hundred twenty million, nine hundred twenty-three thousand, nine hundred sixty-nine".