3421890497 has 2 divisors, whose sum is σ = 3421890498. Its totient is φ = 3421890496.

The previous prime is 3421890491. The next prime is 3421890523. The reversal of 3421890497 is 7940981243.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2667619201 + 754271296 = 51649^2 + 27464^2 .

It is a cyclic number.

It is not a de Polignac number, because 3421890497 - 2²⁴ = 3405113281 is a prime.

It is not a weakly prime, because it can be changed into another prime (3421890491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1710945248 + 1710945249.

It is an arithmetic number, because the mean of its divisors is an integer number (1710945249).

Almost surely, 2^3421890497 is an apocalyptic number.

It is an amenable number.

3421890497 is a deficient number, since it is larger than the sum of its proper divisors (1).

3421890497 is an equidigital number, since it uses as much as digits as its factorization.

3421890497 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 435456, while the sum is 47.

The square root of 3421890497 is about 58496.9272440869. The cubic root of 3421890497 is about 1506.9148148710.

The spelling of 3421890497 in words is "three billion, four hundred twenty-one million, eight hundred ninety thousand, four hundred ninety-seven".