2121284264 has 32 divisors (see below), whose sum is σ = 4341781440. Its totient is φ = 963600000.

The previous prime is 2121284237. The next prime is 2121284329. The reversal of 2121284264 is 4624821212.

It is a self number, because there is not a number n which added to its sum of digits gives 2121284264.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 147389 + ... + 161139.

It is an arithmetic number, because the mean of its divisors is an integer number (135680670).

Almost surely, 2^2121284264 is an apocalyptic number.

It is an amenable number.

2121284264 is an abundant number, since it is smaller than the sum of its proper divisors (2220497176).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2121284264 is a wasteful number, since it uses less digits than its factorization.

2121284264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15521 (or 15517 counting only the distinct ones).

The product of its digits is 12288, while the sum is 32.

The square root of 2121284264 is about 46057.4018372726. The cubic root of 2121284264 is about 1284.8910088384.

The spelling of 2121284264 in words is "two billion, one hundred twenty-one million, two hundred eighty-four thousand, two hundred sixty-four".