47377181569 has 9 divisors (see below), whose sum is σ = 47599142787. Its totient is φ = 47156253624.

The previous prime is 47377181563. The next prime is 47377181573. The reversal of 47377181569 is 96518177374.

The square root of 47377181569 is 217663.

It is a perfect power (a square), and thus also a powerful number.

47377181569 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 only one way, i.e., 6322317169 + 41054864400 = 79513^2 + 202620^2 .

It is not a de Polignac number, because 47377181569 - 2¹³ = 47377173377 is a prime.

It is a super-2 number, since 2×47377181569² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47377181563) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 66822187 + ... + 66822895.

It is an arithmetic number, because the mean of its divisors is an integer number (5288793643).

Almost surely, 2^47377181569 is an apocalyptic number.

47377181569 is the 217663-rd square number.

47377181569 is the 108832-nd centered octagonal number.

It is an amenable number.

47377181569 is a deficient number, since it is larger than the sum of its proper divisors (221961218).

47377181569 is an frugal number, since it uses more digits than its factorization.

47377181569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2032 (or 1016 counting only the distinct ones).

The product of its digits is 8890560, while the sum is 58.

The spelling of 47377181569 in words is "forty-seven billion, three hundred seventy-seven million, one hundred eighty-one thousand, five hundred sixty-nine".