3643270873 has 4 divisors (see below), whose sum is σ = 3974477328. Its totient is φ = 3312064420.

The previous prime is 3643270871. The next prime is 3643270913. The reversal of 3643270873 is 3780723463.

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 3643270873 - 2¹ = 3643270871 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3643270871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 165603211 + ... + 165603232.

It is an arithmetic number, because the mean of its divisors is an integer number (993619332).

Almost surely, 2^3643270873 is an apocalyptic number.

It is an amenable number.

3643270873 is a deficient number, since it is larger than the sum of its proper divisors (331206455).

3643270873 is a wasteful number, since it uses less digits than its factorization.

3643270873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331206454.

The product of its (nonzero) digits is 508032, while the sum is 43.

The square root of 3643270873 is about 60359.5135252099. The cubic root of 3643270873 is about 1538.7349583260.

The spelling of 3643270873 in words is "three billion, six hundred forty-three million, two hundred seventy thousand, eight hundred seventy-three".