3497921873 has 8 divisors (see below), whose sum is σ = 3598401792. Its totient is φ = 3397754736.

The previous prime is 3497921839. The next prime is 3497921879. The reversal of 3497921873 is 3781297943.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3497921873 - 2¹⁸ = 3497659729 is a prime.

It is a super-2 number, since 2×3497921873² = 24470914859223656258, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3497921879) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55415 + ... + 100332.

It is an arithmetic number, because the mean of its divisors is an integer number (449800224).

Almost surely, 2^3497921873 is an apocalyptic number.

It is an amenable number.

3497921873 is a deficient number, since it is larger than the sum of its proper divisors (100479919).

3497921873 is a wasteful number, since it uses less digits than its factorization.

3497921873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156391.

The product of its digits is 2286144, while the sum is 53.

The square root of 3497921873 is about 59143.2318443962. The cubic root of 3497921873 is about 1517.9939303721.

The spelling of 3497921873 in words is "three billion, four hundred ninety-seven million, nine hundred twenty-one thousand, eight hundred seventy-three".