47273478772013 has 8 divisors (see below), whose sum is σ = 50911310616600. Its totient is φ = 43635848413248.

The previous prime is 47273478771931. The next prime is 47273478772027. The reversal of 47273478772013 is 31027787437274.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3544645894729 + 43728832877284 = 1882723^2 + 6612778^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 47273478772013 - 2¹⁶ = 47273478706477 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 (47273478772073) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49883978 + ... + 50822811.

It is an arithmetic number, because the mean of its divisors is an integer number (6363913827075).

Almost surely, 2^{47273478772013} is an apocalyptic number.

It is an amenable number.

47273478772013 is a deficient number, since it is larger than the sum of its proper divisors (3637831844587).

47273478772013 is a wasteful number, since it uses less digits than its factorization.

47273478772013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100742911.

The product of its (nonzero) digits is 77446656, while the sum is 62.

The spelling of 47273478772013 in words is "forty-seven trillion, two hundred seventy-three billion, four hundred seventy-eight million, seven hundred seventy-two thousand, thirteen".