2721626985 has 96 divisors (see below), whose sum is σ = 5792484096. Its totient is φ = 1064448000.

The previous prime is 2721626983. The next prime is 2721626987. The reversal of 2721626985 is 5896261272.

2721626985 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2721626983) and next prime (2721626987).

It is not a de Polignac number, because 2721626985 - 2¹ = 2721626983 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2721626981) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 209685 + ... + 222285.

It is an arithmetic number, because the mean of its divisors is an integer number (60338376).

Almost surely, 2^2721626985 is an apocalyptic number.

It is an amenable number.

2721626985 is an abundant number, since it is smaller than the sum of its proper divisors (3070857111).

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

2721626985 is a wasteful number, since it uses less digits than its factorization.

2721626985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12655 (or 12644 counting only the distinct ones).

The product of its digits is 725760, while the sum is 48.

The square root of 2721626985 is about 52169.2149164620. The cubic root of 2721626985 is about 1396.1846772877.

It can be divided in two parts, 2721626 and 985, that added together give a triangular number (2722611 = T₂₃₃₃).

The spelling of 2721626985 in words is "two billion, seven hundred twenty-one million, six hundred twenty-six thousand, nine hundred eighty-five".