4749642045 has 24 divisors (see below), whose sum is σ = 8247536856. Its totient is φ = 2528581248.

The previous prime is 4749642031. The next prime is 4749642061. The reversal of 4749642045 is 5402469474.

It can be written as a sum of positive squares in 4 ways, for example, as 29127609 + 4720514436 = 5397^2 + 68706^2 .

It is not a de Polignac number, because 4749642045 - 2¹⁰ = 4749641021 is a prime.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 69682 + ... + 119811.

It is an arithmetic number, because the mean of its divisors is an integer number (343647369).

Almost surely, 2^4749642045 is an apocalyptic number.

4749642045 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4749642045 is a deficient number, since it is larger than the sum of its proper divisors (3497894811).

4749642045 is a wasteful number, since it uses less digits than its factorization.

4749642045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190061 (or 190058 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 45.

The square root of 4749642045 is about 68917.6468330137. The cubic root of 4749642045 is about 1680.9454765175.

The spelling of 4749642045 in words is "four billion, seven hundred forty-nine million, six hundred forty-two thousand, forty-five".