47781830311573 has 4 divisors (see below), whose sum is σ = 47786896785888. Its totient is φ = 47776763837260.

The previous prime is 47781830311541. The next prime is 47781830311603. The reversal of 47781830311573 is 37511303818774.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 47781830311573 - 2⁵ = 47781830311541 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 (47781831311573) 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, 2533223011 + ... + 2533241872.

It is an arithmetic number, because the mean of its divisors is an integer number (11946724196472).

Almost surely, 2^{47781830311573} is an apocalyptic number.

It is an amenable number.

47781830311573 is a deficient number, since it is larger than the sum of its proper divisors (5066474315).

47781830311573 is an equidigital number, since it uses as much as digits as its factorization.

47781830311573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5066474314.

The product of its (nonzero) digits is 11854080, while the sum is 58.

The spelling of 47781830311573 in words is "forty-seven trillion, seven hundred eighty-one billion, eight hundred thirty million, three hundred eleven thousand, five hundred seventy-three".