2864375021 has 8 divisors (see below), whose sum is σ = 2915755200. Its totient is φ = 2813421600.

The previous prime is 2864375009. The next prime is 2864375047. The reversal of 2864375021 is 1205734682.

It is a happy number.

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 2864375021 - 2¹⁰ = 2864373997 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2864375051) 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 7 ways as a sum of consecutive naturals, for example, 93131 + ... + 120008.

It is an arithmetic number, because the mean of its divisors is an integer number (364469400).

Almost surely, 2^2864375021 is an apocalyptic number.

It is an amenable number.

2864375021 is a deficient number, since it is larger than the sum of its proper divisors (51380179).

2864375021 is a wasteful number, since it uses less digits than its factorization.

2864375021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213379.

The product of its (nonzero) digits is 80640, while the sum is 38.

The square root of 2864375021 is about 53519.8563245456. The cubic root of 2864375021 is about 1420.1796739188.

The spelling of 2864375021 in words is "two billion, eight hundred sixty-four million, three hundred seventy-five thousand, twenty-one".