4947951285 has 16 divisors (see below), whose sum is σ = 8796358080. Its totient is φ = 2638907280.

The previous prime is 4947951277. The next prime is 4947951287. The reversal of 4947951285 is 5821597494.

It is a happy number.

4947951285 is a `hidden beast` number, since 4 + 9 + 47 + 9 + 512 + 85 = 666.

4947951285 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4947951285 - 2³ = 4947951277 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4947951287) 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, 18325611 + ... + 18325880.

It is an arithmetic number, because the mean of its divisors is an integer number (549772380).

Almost surely, 2^4947951285 is an apocalyptic number.

4947951285 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4947951285 is a deficient number, since it is larger than the sum of its proper divisors (3848406795).

4947951285 is a wasteful number, since it uses less digits than its factorization.

4947951285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36651505 (or 36651499 counting only the distinct ones).

The product of its digits is 3628800, while the sum is 54.

The square root of 4947951285 is about 70341.6753070326. The cubic root of 4947951285 is about 1704.0217680962.

The spelling of 4947951285 in words is "four billion, nine hundred forty-seven million, nine hundred fifty-one thousand, two hundred eighty-five".