2891436374 has 16 divisors (see below), whose sum is σ = 4362806448. Its totient is φ = 1437180192.

The previous prime is 2891436349. The next prime is 2891436377. The reversal of 2891436374 is 4736341982.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2891436377) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 642737 + ... + 647219.

It is an arithmetic number, because the mean of its divisors is an integer number (272675403).

Almost surely, 2^2891436374 is an apocalyptic number.

2891436374 is a deficient number, since it is larger than the sum of its proper divisors (1471370074).

2891436374 is a wasteful number, since it uses less digits than its factorization.

2891436374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6319.

The product of its digits is 870912, while the sum is 47.

The square root of 2891436374 is about 53772.0780145235. The cubic root of 2891436374 is about 1424.6380735097.

The spelling of 2891436374 in words is "two billion, eight hundred ninety-one million, four hundred thirty-six thousand, three hundred seventy-four".