3164404993 has 4 divisors (see below), whose sum is σ = 3164622640. Its totient is φ = 3164187348.

The previous prime is 3164404931. The next prime is 3164405003. The reversal of 3164404993 is 3994044613.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3164404993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3164404093) 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, 85323 + ... + 116656.

It is an arithmetic number, because the mean of its divisors is an integer number (791155660).

Almost surely, 2^3164404993 is an apocalyptic number.

It is an amenable number.

3164404993 is a deficient number, since it is larger than the sum of its proper divisors (217647).

3164404993 is a wasteful number, since it uses less digits than its factorization.

3164404993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217646.

The product of its (nonzero) digits is 279936, while the sum is 43.

The square root of 3164404993 is about 56253.0442998421. The cubic root of 3164404993 is about 1468.1283339870.

The spelling of 3164404993 in words is "three billion, one hundred sixty-four million, four hundred four thousand, nine hundred ninety-three".