4890109445 has 8 divisors (see below), whose sum is σ = 6319526136. Its totient is φ = 3611157696.

The previous prime is 4890109429. The next prime is 4890109447. The reversal of 4890109445 is 5449010984.

It can be written as a sum of positive squares in 4 ways, for example, as 227677921 + 4662431524 = 15089^2 + 68282^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 4890109445 - 2⁴ = 4890109429 is a prime.

It is a super-4 number, since 4×4890109445⁴ (a number of 40 digits) contains 4444 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4890109396 and 4890109405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4890109447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37616162 + ... + 37616291.

It is an arithmetic number, because the mean of its divisors is an integer number (789940767).

Almost surely, 2^4890109445 is an apocalyptic number.

It is an amenable number.

4890109445 is a deficient number, since it is larger than the sum of its proper divisors (1429416691).

4890109445 is a wasteful number, since it uses less digits than its factorization.

4890109445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75232471.

The product of its (nonzero) digits is 207360, while the sum is 44.

The square root of 4890109445 is about 69929.3174927369. The cubic root of 4890109445 is about 1697.3556865377.

The spelling of 4890109445 in words is "four billion, eight hundred ninety million, one hundred nine thousand, four hundred forty-five".