2891748632 has 16 divisors (see below), whose sum is σ = 5430047760. Its totient is φ = 1443735904.

The previous prime is 2891748631. The next prime is 2891748647. The reversal of 2891748632 is 2368471982.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2891748631) 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, 261548 + ... + 272379.

It is an arithmetic number, because the mean of its divisors is an integer number (339377985).

Almost surely, 2^2891748632 is an apocalyptic number.

It is an amenable number.

2891748632 is a deficient number, since it is larger than the sum of its proper divisors (2538299128).

2891748632 is a wasteful number, since it uses less digits than its factorization.

2891748632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534610 (or 534606 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 50.

The square root of 2891748632 is about 53774.9814690810. The cubic root of 2891748632 is about 1424.6893558212.

The spelling of 2891748632 in words is "two billion, eight hundred ninety-one million, seven hundred forty-eight thousand, six hundred thirty-two".