4891577494 has 8 divisors (see below), whose sum is σ = 7590378960. Its totient is φ = 2361451176.

The previous prime is 4891577479. The next prime is 4891577519. The reversal of 4891577494 is 4947751984.

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

It is a Harshad number since it is a multiple of its sum of digits (58), and also a Moran number because the ratio is a prime number: 84337543 = 4891577494 / (4 + 8 + 9 + 1 + 5 + 7 + 7 + 4 + 9 + 4).

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, 42168714 + ... + 42168829.

It is an arithmetic number, because the mean of its divisors is an integer number (948797370).

Almost surely, 2^4891577494 is an apocalyptic number.

4891577494 is a deficient number, since it is larger than the sum of its proper divisors (2698801466).

4891577494 is a wasteful number, since it uses less digits than its factorization.

4891577494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84337574.

The product of its digits is 10160640, while the sum is 58.

The square root of 4891577494 is about 69939.8133683526. The cubic root of 4891577494 is about 1697.5255226825.

The spelling of 4891577494 in words is "four billion, eight hundred ninety-one million, five hundred seventy-seven thousand, four hundred ninety-four".