2076580912621 has 4 divisors (see below), whose sum is σ = 2077151876092. Its totient is φ = 2076009949152.

The previous prime is 2076580912603. The next prime is 2076580912639. The reversal of 2076580912621 is 1262190856702.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (2076580912603) and next prime (2076580912639).

It can be written as a sum of positive squares in 2 ways, for example, as 1072198120900 + 1004382791721 = 1035470^2 + 1002189^2 .

It is a cyclic number.

It is not a de Polignac number, because 2076580912621 - 2⁷ = 2076580912493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2076580912321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 285476280 + ... + 285483553.

It is an arithmetic number, because the mean of its divisors is an integer number (519287969023).

Almost surely, 2^{2076580912621} is an apocalyptic number.

It is an amenable number.

2076580912621 is a deficient number, since it is larger than the sum of its proper divisors (570963471).

2076580912621 is an equidigital number, since it uses as much as digits as its factorization.

2076580912621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 570963470.

The product of its (nonzero) digits is 725760, while the sum is 49.

The spelling of 2076580912621 in words is "two trillion, seventy-six billion, five hundred eighty million, nine hundred twelve thousand, six hundred twenty-one".