47351209685 has 8 divisors (see below), whose sum is σ = 61192332600. Its totient is φ = 34967047104.

The previous prime is 47351209669. The next prime is 47351209721. The reversal of 47351209685 is 58690215374.

It is a happy number.

47351209685 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 441714289 + 46909495396 = 21017^2 + 216586^2 .

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 47351209685 - 2⁴ = 47351209669 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 364240010 + ... + 364240139.

It is an arithmetic number, because the mean of its divisors is an integer number (7649041575).

It is a 1-persistent number, because it is pandigital, but 2⋅47351209685 = 94702419370 is not.

Almost surely, 2^47351209685 is an apocalyptic number.

It is an amenable number.

47351209685 is a deficient number, since it is larger than the sum of its proper divisors (13841122915).

47351209685 is a wasteful number, since it uses less digits than its factorization.

47351209685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 728480167.

The product of its (nonzero) digits is 1814400, while the sum is 50.

The spelling of 47351209685 in words is "forty-seven billion, three hundred fifty-one million, two hundred nine thousand, six hundred eighty-five".