4891943754 has 16 divisors (see below), whose sum is σ = 10870986240. Its totient is φ = 1630647900.

The previous prime is 4891943701. The next prime is 4891943767. The reversal of 4891943754 is 4573491984.

4891943754 is a `hidden beast` number, since 4 + 89 + 194 + 375 + 4 = 666.

It is a super-2 number, since 2×4891943754² = 47862227384599225032, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 90591551 = 4891943754 / (4 + 8 + 9 + 1 + 9 + 4 + 3 + 7 + 5 + 4).

It is a self number, because there is not a number n which added to its sum of digits gives 4891943754.

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, 45295722 + ... + 45295829.

It is an arithmetic number, because the mean of its divisors is an integer number (679436640).

Almost surely, 2^4891943754 is an apocalyptic number.

4891943754 is an abundant number, since it is smaller than the sum of its proper divisors (5979042486).

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

4891943754 is a wasteful number, since it uses less digits than its factorization.

4891943754 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90591562 (or 90591556 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 54.

The square root of 4891943754 is about 69942.4317135171. The cubic root of 4891943754 is about 1697.5678893956.

The spelling of 4891943754 in words is "four billion, eight hundred ninety-one million, nine hundred forty-three thousand, seven hundred fifty-four".