4939161345 has 24 divisors (see below), whose sum is σ = 8604686376. Its totient is φ = 2620843008.

The previous prime is 4939161329. The next prime is 4939161349. The reversal of 4939161345 is 5431619394.

4939161345 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 810199296 + 4128962049 = 28464^2 + 64257^2 .

It is not a de Polignac number, because 4939161345 - 2⁴ = 4939161329 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 4939161345.

It is not an unprimeable number, because it can be changed into a prime (4939161349) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 269712 + ... + 287441.

It is an arithmetic number, because the mean of its divisors is an integer number (358528599).

Almost surely, 2^4939161345 is an apocalyptic number.

4939161345 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4939161345 is a deficient number, since it is larger than the sum of its proper divisors (3665525031).

4939161345 is a wasteful number, since it uses less digits than its factorization.

4939161345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 557361 (or 557358 counting only the distinct ones).

The product of its digits is 349920, while the sum is 45.

The square root of 4939161345 is about 70279.1672190273. The cubic root of 4939161345 is about 1703.0121160521.

The spelling of 4939161345 in words is "four billion, nine hundred thirty-nine million, one hundred sixty-one thousand, three hundred forty-five".