2864375421 has 16 divisors (see below), whose sum is σ = 3843686400. Its totient is φ = 1897363440.

The previous prime is 2864375411. The next prime is 2864375447. The reversal of 2864375421 is 1245734682.

It is not a de Polignac number, because 2864375421 - 2²³ = 2855986813 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2864375411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 306780 + ... + 315978.

It is an arithmetic number, because the mean of its divisors is an integer number (240230400).

Almost surely, 2^2864375421 is an apocalyptic number.

It is an amenable number.

2864375421 is a deficient number, since it is larger than the sum of its proper divisors (979310979).

2864375421 is a wasteful number, since it uses less digits than its factorization.

2864375421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9856.

The product of its digits is 322560, while the sum is 42.

The square root of 2864375421 is about 53519.8600614762. The cubic root of 2864375421 is about 1420.1797400265.

The spelling of 2864375421 in words is "two billion, eight hundred sixty-four million, three hundred seventy-five thousand, four hundred twenty-one".