3497000921 has 2 divisors, whose sum is σ = 3497000922. Its totient is φ = 3497000920.

The previous prime is 3497000909. The next prime is 3497000933. The reversal of 3497000921 is 1290007943.

It is a balanced prime because it is at equal distance from previous prime (3497000909) and next prime (3497000933).

It can be written as a sum of positive squares in only one way, i.e., 3156192400 + 340808521 = 56180^2 + 18461^2 .

It is a cyclic number.

It is not a de Polignac number, because 3497000921 - 2²² = 3492806617 is a prime.

It is not a weakly prime, because it can be changed into another prime (3497000981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1748500460 + 1748500461.

It is an arithmetic number, because the mean of its divisors is an integer number (1748500461).

Almost surely, 2^3497000921 is an apocalyptic number.

It is an amenable number.

3497000921 is a deficient number, since it is larger than the sum of its proper divisors (1).

3497000921 is an equidigital number, since it uses as much as digits as its factorization.

3497000921 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13608, while the sum is 35.

The square root of 3497000921 is about 59135.4455550983. The cubic root of 3497000921 is about 1517.8606967641.

The spelling of 3497000921 in words is "three billion, four hundred ninety-seven million, nine hundred twenty-one", and thus it is an aban number.