2891236482 has 48 divisors (see below), whose sum is σ = 6542572608. Its totient is φ = 921016800.

The previous prime is 2891236477. The next prime is 2891236487. The reversal of 2891236482 is 2846321982.

2891236482 is a `hidden beast` number, since 289 + 1 + 2 + 364 + 8 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (2891236477) and next prime (2891236487).

It is not an unprimeable number, because it can be changed into a prime (2891236487) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 598308 + ... + 603120.

It is an arithmetic number, because the mean of its divisors is an integer number (136303596).

Almost surely, 2^2891236482 is an apocalyptic number.

2891236482 is an abundant number, since it is smaller than the sum of its proper divisors (3651336126).

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

2891236482 is a wasteful number, since it uses less digits than its factorization.

2891236482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6295 (or 6292 counting only the distinct ones).

The product of its digits is 331776, while the sum is 45.

The square root of 2891236482 is about 53770.2192854000. The cubic root of 2891236482 is about 1424.6052431929.

The spelling of 2891236482 in words is "two billion, eight hundred ninety-one million, two hundred thirty-six thousand, four hundred eighty-two".