4740128421 has 16 divisors (see below), whose sum is σ = 7254879744. Its totient is φ = 2696709744.

The previous prime is 4740128413. The next prime is 4740128461. The reversal of 4740128421 is 1248210474.

It is not a de Polignac number, because 4740128421 - 2³ = 4740128413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4740128461) 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, 492415 + ... + 501948.

It is an arithmetic number, because the mean of its divisors is an integer number (453429984).

Almost surely, 2^4740128421 is an apocalyptic number.

It is an amenable number.

4740128421 is a deficient number, since it is larger than the sum of its proper divisors (2514751323).

4740128421 is a wasteful number, since it uses less digits than its factorization.

4740128421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 994600.

The product of its (nonzero) digits is 14336, while the sum is 33.

The square root of 4740128421 is about 68848.5905520222. The cubic root of 4740128421 is about 1679.8224043418.

Adding to 4740128421 its reverse (1248210474), we get a palindrome (5988338895).

The spelling of 4740128421 in words is "four billion, seven hundred forty million, one hundred twenty-eight thousand, four hundred twenty-one".