4891359390 has 16 divisors (see below), whose sum is σ = 11739262608. Its totient is φ = 1304362496.

The previous prime is 4891359371. The next prime is 4891359427. The reversal of 4891359390 is 939531984.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81522627 + ... + 81522686.

It is an arithmetic number, because the mean of its divisors is an integer number (733703913).

Almost surely, 2^4891359390 is an apocalyptic number.

4891359390 is an abundant number, since it is smaller than the sum of its proper divisors (6847903218).

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

4891359390 is a wasteful number, since it uses less digits than its factorization.

4891359390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163045323.

The product of its (nonzero) digits is 1049760, while the sum is 51.

The square root of 4891359390 is about 69938.2541246205. The cubic root of 4891359390 is about 1697.5002927433.

The spelling of 4891359390 in words is "four billion, eight hundred ninety-one million, three hundred fifty-nine thousand, three hundred ninety".