47073620213 has 4 divisors (see below), whose sum is σ = 47389550700. Its totient is φ = 46757689728.

The previous prime is 47073620161. The next prime is 47073620227. The reversal of 47073620213 is 31202637074.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 19130485969 + 27943134244 = 138313^2 + 167162^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47073620213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47073620263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 157965020 + ... + 157965317.

It is an arithmetic number, because the mean of its divisors is an integer number (11847387675).

Almost surely, 2^47073620213 is an apocalyptic number.

It is an amenable number.

47073620213 is a deficient number, since it is larger than the sum of its proper divisors (315930487).

47073620213 is a wasteful number, since it uses less digits than its factorization.

47073620213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315930486.

The product of its (nonzero) digits is 42336, while the sum is 35.

The spelling of 47073620213 in words is "forty-seven billion, seventy-three million, six hundred twenty thousand, two hundred thirteen".