3497699239 has 2 divisors, whose sum is σ = 3497699240. Its totient is φ = 3497699238.

The previous prime is 3497699203. The next prime is 3497699243. The reversal of 3497699239 is 9329967943.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3497699239 - 2⁷ = 3497699111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3497699039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1748849619 + 1748849620.

It is an arithmetic number, because the mean of its divisors is an integer number (1748849620).

Almost surely, 2^3497699239 is an apocalyptic number.

3497699239 is a deficient number, since it is larger than the sum of its proper divisors (1).

3497699239 is an equidigital number, since it uses as much as digits as its factorization.

3497699239 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19840464, while the sum is 61.

The square root of 3497699239 is about 59141.3496548735. The cubic root of 3497699239 is about 1517.9617241800.

The spelling of 3497699239 in words is "three billion, four hundred ninety-seven million, six hundred ninety-nine thousand, two hundred thirty-nine".