4749804121 has 8 divisors (see below), whose sum is σ = 5033435400. Its totient is φ = 4474162560.

The previous prime is 4749804113. The next prime is 4749804127. The reversal of 4749804121 is 1214089474.

It can be written as a sum of positive squares in 4 ways, for example, as 687016521 + 4062787600 = 26211^2 + 63740^2 .

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 4749804121 - 2³ = 4749804113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4749804127) 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, 1996206 + ... + 1998583.

It is an arithmetic number, because the mean of its divisors is an integer number (629179425).

Almost surely, 2^4749804121 is an apocalyptic number.

4749804121 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

4749804121 is a deficient number, since it is larger than the sum of its proper divisors (283631279).

4749804121 is a wasteful number, since it uses less digits than its factorization.

4749804121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3994859.

The product of its (nonzero) digits is 64512, while the sum is 40.

The square root of 4749804121 is about 68918.8226901766. The cubic root of 4749804121 is about 1680.9645964018.

The spelling of 4749804121 in words is "four billion, seven hundred forty-nine million, eight hundred four thousand, one hundred twenty-one".