2891052518 has 4 divisors (see below), whose sum is σ = 4336578780. Its totient is φ = 1445526258.

The previous prime is 2891052517. The next prime is 2891052539. The reversal of 2891052518 is 8152501982.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2891052517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 722763128 + ... + 722763131.

It is an arithmetic number, because the mean of its divisors is an integer number (1084144695).

Almost surely, 2^2891052518 is an apocalyptic number.

2891052518 is a deficient number, since it is larger than the sum of its proper divisors (1445526262).

2891052518 is a wasteful number, since it uses less digits than its factorization.

2891052518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1445526261.

The product of its (nonzero) digits is 57600, while the sum is 41.

The square root of 2891052518 is about 53768.5086086642. The cubic root of 2891052518 is about 1424.5750275580.

The spelling of 2891052518 in words is "two billion, eight hundred ninety-one million, fifty-two thousand, five hundred eighteen".