3320473691 has 4 divisors (see below), whose sum is σ = 3383124192. Its totient is φ = 3257823192.

The previous prime is 3320473679. The next prime is 3320473733. The reversal of 3320473691 is 1963740233.

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 3320473691 - 2¹⁸ = 3320211547 is a prime.

It is a super-2 number, since 2×3320473691² = 22051091065246326962, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3320473661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31325171 + ... + 31325276.

It is an arithmetic number, because the mean of its divisors is an integer number (845781048).

Almost surely, 2^3320473691 is an apocalyptic number.

3320473691 is a deficient number, since it is larger than the sum of its proper divisors (62650501).

3320473691 is an equidigital number, since it uses as much as digits as its factorization.

3320473691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62650500.

The product of its (nonzero) digits is 81648, while the sum is 38.

The square root of 3320473691 is about 57623.5515306025. The cubic root of 3320473691 is about 1491.8781311655.

The spelling of 3320473691 in words is "three billion, three hundred twenty million, four hundred seventy-three thousand, six hundred ninety-one".