4947409231 has 8 divisors (see below), whose sum is σ = 5082071360. Its totient is φ = 4812797088.

The previous prime is 4947409219. The next prime is 4947409237. The reversal of 4947409231 is 1329047494.

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 4947409231 - 2⁵ = 4947409199 is a prime.

It is a super-2 number, since 2×4947409231² = 48953716197968022722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4947409237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 279610 + ... + 296776.

It is an arithmetic number, because the mean of its divisors is an integer number (635258920).

Almost surely, 2^4947409231 is an apocalyptic number.

4947409231 is a deficient number, since it is larger than the sum of its proper divisors (134662129).

4947409231 is a wasteful number, since it uses less digits than its factorization.

4947409231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24993.

The product of its (nonzero) digits is 217728, while the sum is 43.

The square root of 4947409231 is about 70337.8221940373. The cubic root of 4947409231 is about 1703.9595399474.

The spelling of 4947409231 in words is "four billion, nine hundred forty-seven million, four hundred nine thousand, two hundred thirty-one".