2121093792 has 36 divisors (see below), whose sum is σ = 6031861290. Its totient is φ = 707031168.

The previous prime is 2121093781. The next prime is 2121093803. The reversal of 2121093792 is 2973901212.

It is an interprime number because it is at equal distance from previous prime (2121093781) and next prime (2121093803).

It can be written as a sum of positive squares in only one way, i.e., 2028241296 + 92852496 = 45036^2 + 9636^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3682167 + ... + 3682742.

Almost surely, 2^2121093792 is an apocalyptic number.

It is an amenable number.

2121093792 is an abundant number, since it is smaller than the sum of its proper divisors (3910767498).

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

2121093792 is a wasteful number, since it uses less digits than its factorization.

2121093792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7364925 (or 7364914 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 2121093792 is about 46055.3340233246. The cubic root of 2121093792 is about 1284.8525505186.

The spelling of 2121093792 in words is "two billion, one hundred twenty-one million, ninety-three thousand, seven hundred ninety-two".