3497139307 has 4 divisors (see below), whose sum is σ = 3504628296. Its totient is φ = 3489650320.

The previous prime is 3497139299. The next prime is 3497139329. The reversal of 3497139307 is 7039317943.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3497139307 - 2³ = 3497139299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3497139337) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3743794 + ... + 3744727.

It is an arithmetic number, because the mean of its divisors is an integer number (876157074).

Almost surely, 2^3497139307 is an apocalyptic number.

3497139307 is a deficient number, since it is larger than the sum of its proper divisors (7488989).

3497139307 is an equidigital number, since it uses as much as digits as its factorization.

3497139307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7488988.

The product of its (nonzero) digits is 428652, while the sum is 46.

The square root of 3497139307 is about 59136.6156201046. The cubic root of 3497139307 is about 1517.8807184822.

The spelling of 3497139307 in words is "three billion, four hundred ninety-seven million, one hundred thirty-nine thousand, three hundred seven".