3564149873 has 4 divisors (see below), whose sum is σ = 3565154880. Its totient is φ = 3563144868.

The previous prime is 3564149863. The next prime is 3564149917. The reversal of 3564149873 is 3789414653.

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 not a de Polignac number, because 3564149873 - 2¹² = 3564145777 is a prime.

It is a super-2 number, since 2×3564149873² = 25406328634411832258, 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 (3564149833) 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, 497165 + ... + 504282.

It is an arithmetic number, because the mean of its divisors is an integer number (891288720).

Almost surely, 2^3564149873 is an apocalyptic number.

It is an amenable number.

3564149873 is a deficient number, since it is larger than the sum of its proper divisors (1005007).

3564149873 is a wasteful number, since it uses less digits than its factorization.

3564149873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1005006.

The product of its digits is 2177280, while the sum is 50.

The square root of 3564149873 is about 59700.5014468053. The cubic root of 3564149873 is about 1527.5144219296.

The spelling of 3564149873 in words is "three billion, five hundred sixty-four million, one hundred forty-nine thousand, eight hundred seventy-three".