4891390514 has 8 divisors (see below), whose sum is σ = 7723248240. Its totient is φ = 2316974436.

The previous prime is 4891390513. The next prime is 4891390541. The reversal of 4891390514 is 4150931984.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (4891390513) 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, 64360364 + ... + 64360439.

It is an arithmetic number, because the mean of its divisors is an integer number (965406030).

Almost surely, 2^4891390514 is an apocalyptic number.

4891390514 is a deficient number, since it is larger than the sum of its proper divisors (2831857726).

4891390514 is a wasteful number, since it uses less digits than its factorization.

4891390514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128720824.

The product of its (nonzero) digits is 155520, while the sum is 44.

The square root of 4891390514 is about 69938.4766348253. The cubic root of 4891390514 is about 1697.5038931662.

The spelling of 4891390514 in words is "four billion, eight hundred ninety-one million, three hundred ninety thousand, five hundred fourteen".