2891761372 has 12 divisors (see below), whose sum is σ = 5061170016. Its totient is φ = 1445712800.

The previous prime is 2891761357. The next prime is 2891761393. The reversal of 2891761372 is 2731671982.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1872 + ... + 76072.

It is an arithmetic number, because the mean of its divisors is an integer number (421764168).

Almost surely, 2^2891761372 is an apocalyptic number.

It is an amenable number.

2891761372 is a deficient number, since it is larger than the sum of its proper divisors (2169408644).

2891761372 is a wasteful number, since it uses less digits than its factorization.

2891761372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83948 (or 83946 counting only the distinct ones).

The product of its digits is 254016, while the sum is 46.

The square root of 2891761372 is about 53775.0999255232. The cubic root of 2891761372 is about 1424.6914480404.

The spelling of 2891761372 in words is "two billion, eight hundred ninety-one million, seven hundred sixty-one thousand, three hundred seventy-two".