4953409421 has 16 divisors (see below), whose sum is σ = 5480025600. Its totient is φ = 4456325808.

The previous prime is 4953409397. The next prime is 4953409423. The reversal of 4953409421 is 1249043594.

4953409421 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-4953409421 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4953409423) 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, 19970 + ... + 101516.

It is an arithmetic number, because the mean of its divisors is an integer number (342501600).

Almost surely, 2^4953409421 is an apocalyptic number.

It is an amenable number.

4953409421 is a deficient number, since it is larger than the sum of its proper divisors (526616179).

4953409421 is a wasteful number, since it uses less digits than its factorization.

4953409421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81728.

The product of its (nonzero) digits is 155520, while the sum is 41.

The square root of 4953409421 is about 70380.4619265887. The cubic root of 4953409421 is about 1704.6481124953.

The spelling of 4953409421 in words is "four billion, nine hundred fifty-three million, four hundred nine thousand, four hundred twenty-one".