3497139329 has 2 divisors, whose sum is σ = 3497139330. Its totient is φ = 3497139328.

The previous prime is 3497139299. The next prime is 3497139337. The reversal of 3497139329 is 9239317943.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3197676304 + 299463025 = 56548^2 + 17305^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3497139329 is a prime.

It is not a weakly prime, because it can be changed into another prime (3497139929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1748569664 + 1748569665.

It is an arithmetic number, because the mean of its divisors is an integer number (1748569665).

Almost surely, 2^3497139329 is an apocalyptic number.

It is an amenable number.

3497139329 is a deficient number, since it is larger than the sum of its proper divisors (1).

3497139329 is an equidigital number, since it uses as much as digits as its factorization.

3497139329 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1102248, while the sum is 50.

The square root of 3497139329 is about 59136.6158061146. The cubic root of 3497139329 is about 1517.8807216651.

The spelling of 3497139329 in words is "three billion, four hundred ninety-seven million, one hundred thirty-nine thousand, three hundred twenty-nine".