4890389749 has 16 divisors (see below), whose sum is σ = 5658364800. Its totient is φ = 4139999424.

The previous prime is 4890389719. The next prime is 4890389753. The reversal of 4890389749 is 9479830984.

It is a cyclic number.

It is not a de Polignac number, because 4890389749 - 2²⁷ = 4756172021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4890389719) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 231762 + ... + 251980.

It is an arithmetic number, because the mean of its divisors is an integer number (353647800).

Almost surely, 2^4890389749 is an apocalyptic number.

It is an amenable number.

4890389749 is a deficient number, since it is larger than the sum of its proper divisors (767975051).

4890389749 is a wasteful number, since it uses less digits than its factorization.

4890389749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20652.

The product of its (nonzero) digits is 15676416, while the sum is 61.

The square root of 4890389749 is about 69931.3216591822. The cubic root of 4890389749 is about 1697.3881170660.

The spelling of 4890389749 in words is "four billion, eight hundred ninety million, three hundred eighty-nine thousand, seven hundred forty-nine".