4981661894 has 8 divisors (see below), whose sum is σ = 8151810408. Its totient is φ = 2264391760.

The previous prime is 4981661879. The next prime is 4981661911.

4981661894 is nontrivially palindromic in base 10.

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

It is a super-2 number, since 2×4981661894² = 49633910452263334472, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113219567 + ... + 113219610.

It is an arithmetic number, because the mean of its divisors is an integer number (1018976301).

Almost surely, 2^4981661894 is an apocalyptic number.

4981661894 is a deficient number, since it is larger than the sum of its proper divisors (3170148514).

4981661894 is a wasteful number, since it uses less digits than its factorization.

4981661894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226439190.

The product of its digits is 2985984, while the sum is 56.

The square root of 4981661894 is about 70580.8890139533. The cubic root of 4981661894 is about 1707.8828710399.

The spelling of 4981661894 in words is "four billion, nine hundred eighty-one million, six hundred sixty-one thousand, eight hundred ninety-four".