3497205947 has 4 divisors (see below), whose sum is σ = 3507113400. Its totient is φ = 3487298496.

The previous prime is 3497205941. The next prime is 3497205973. The reversal of 3497205947 is 7495027943.

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 3497205947 - 2⁴ = 3497205931 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3497205895 and 3497205904.

It is not an unprimeable number, because it can be changed into a prime (3497205941) 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, 4953197 + ... + 4953902.

It is an arithmetic number, because the mean of its divisors is an integer number (876778350).

Almost surely, 2^3497205947 is an apocalyptic number.

3497205947 is a deficient number, since it is larger than the sum of its proper divisors (9907453).

3497205947 is an equidigital number, since it uses as much as digits as its factorization.

3497205947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9907452.

The product of its (nonzero) digits is 1905120, while the sum is 50.

The square root of 3497205947 is about 59137.1790585246. The cubic root of 3497205947 is about 1517.8903597842.

The spelling of 3497205947 in words is "three billion, four hundred ninety-seven million, two hundred five thousand, nine hundred forty-seven".