2109245000976 has 135 divisors (see below), whose sum is σ = 6068663027973. Its totient is φ = 683870325120.

The previous prime is 2109245000969. The next prime is 2109245000983. The reversal of 2109245000976 is 6790005429012.

The square root of 2109245000976 is 1452324.

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

2109245000976 is a `hidden beast` number, since 2 + 109 + 2 + 450 + 0 + 0 + 97 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (2109245000969) and next prime (2109245000983).

It can be written as a sum of positive squares in only one way, i.e., 1887381392400 + 221863608576 = 1373820^2 + 471024^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 644830221 + ... + 644833491.

Almost surely, 2^{2109245000976} is an apocalyptic number.

2109245000976 is the 1452324-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2109245000976

2109245000976 is an abundant number, since it is smaller than the sum of its proper divisors (3959418026997).

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

2109245000976 is an frugal number, since it uses more digits than its factorization.

2109245000976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6630 (or 3313 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The spelling of 2109245000976 in words is "two trillion, one hundred nine billion, two hundred forty-five million, nine hundred seventy-six", and thus it is an aban number.