2121339364 has 9 divisors (see below), whose sum is σ = 3712505097. Its totient is φ = 1060623624.

The previous prime is 2121339317. The next prime is 2121339391. The reversal of 2121339364 is 4639331212.

The square root of 2121339364 is 46058.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 1930899364 + 190440000 = 43942^2 + 13800^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 80602 + ... + 103630.

Almost surely, 2^2121339364 is an apocalyptic number.

2121339364 is the 46058-th square number.

It is an amenable number.

2121339364 is a deficient number, since it is larger than the sum of its proper divisors (1591165733).

2121339364 is an frugal number, since it uses more digits than its factorization.

2121339364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46062 (or 23031 counting only the distinct ones).

The product of its digits is 23328, while the sum is 34.

The cubic root of 2121339364 is about 1284.9021336843.

The spelling of 2121339364 in words is "two billion, one hundred twenty-one million, three hundred thirty-nine thousand, three hundred sixty-four".