2091338253316 has 27 divisors (see below), whose sum is σ = 3963095367903. Its totient is φ = 965215686240.

The previous prime is 2091338253287. The next prime is 2091338253341. The reversal of 2091338253316 is 6133528331902.

The square root of 2091338253316 is 1446146.

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

It can be written as a sum of positive squares in 4 ways, for example, as 1342933322500 + 748404930816 = 1158850^2 + 865104^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 37571986 + ... + 37627606.

Almost surely, 2^{2091338253316} is an apocalyptic number.

2091338253316 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2091338253316 is the 1446146-th square number.

It is an amenable number.

2091338253316 is a deficient number, since it is larger than the sum of its proper divisors (1871757114587).

2091338253316 is an frugal number, since it uses more digits than its factorization.

2091338253316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111272 (or 55636 counting only the distinct ones).

The product of its (nonzero) digits is 699840, while the sum is 46.

The spelling of 2091338253316 in words is "two trillion, ninety-one billion, three hundred thirty-eight million, two hundred fifty-three thousand, three hundred sixteen".