3473985509 has 2 divisors, whose sum is σ = 3473985510. Its totient is φ = 3473985508.

The previous prime is 3473985419. The next prime is 3473985533. The reversal of 3473985509 is 9055893743.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3270124225 + 203861284 = 57185^2 + 14278^2 .

It is a cyclic number.

It is not a de Polignac number, because 3473985509 - 2⁸ = 3473985253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3473985409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1736992754 + 1736992755.

It is an arithmetic number, because the mean of its divisors is an integer number (1736992755).

Almost surely, 2^3473985509 is an apocalyptic number.

It is an amenable number.

3473985509 is a deficient number, since it is larger than the sum of its proper divisors (1).

3473985509 is an equidigital number, since it uses as much as digits as its factorization.

3473985509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4082400, while the sum is 53.

The square root of 3473985509 is about 58940.5251842906. The cubic root of 3473985509 is about 1514.5234456928.

The spelling of 3473985509 in words is "three billion, four hundred seventy-three million, nine hundred eighty-five thousand, five hundred nine".