47879349093 has 12 divisors (see below), whose sum is σ = 69161004588. Its totient is φ = 31918668480.

The previous prime is 47879349071. The next prime is 47879349121. The reversal of 47879349093 is 39094397874.

47879349093 is a `hidden beast` number, since 4 + 78 + 79 + 3 + 490 + 9 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 35200138689 + 12679210404 = 187617^2 + 112602^2 .

It is not a de Polignac number, because 47879349093 - 2²¹ = 47877251941 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 47879349093.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47879349293) 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 11 ways as a sum of consecutive naturals, for example, 478263 + ... + 569643.

It is an arithmetic number, because the mean of its divisors is an integer number (5763417049).

Almost surely, 2^47879349093 is an apocalyptic number.

It is an amenable number.

47879349093 is a deficient number, since it is larger than the sum of its proper divisors (21281655495).

47879349093 is a wasteful number, since it uses less digits than its factorization.

47879349093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149604 (or 149601 counting only the distinct ones).

The product of its (nonzero) digits is 41150592, while the sum is 63.

The spelling of 47879349093 in words is "forty-seven billion, eight hundred seventy-nine million, three hundred forty-nine thousand, ninety-three".