47034781369 has 4 divisors (see below), whose sum is σ = 47041807140. Its totient is φ = 47027755600.

The previous prime is 47034781361. The next prime is 47034781393. The reversal of 47034781369 is 96318743074.

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 34833369769 + 12201411600 = 186637^2 + 110460^2 .

It is a cyclic number.

It is not a de Polignac number, because 47034781369 - 2³ = 47034781361 is a prime.

It is a super-2 number, since 2×47034781369² (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 (47034781361) 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, 3502834 + ... + 3516235.

It is an arithmetic number, because the mean of its divisors is an integer number (11760451785).

Almost surely, 2^47034781369 is an apocalyptic number.

It is an amenable number.

47034781369 is a deficient number, since it is larger than the sum of its proper divisors (7025771).

47034781369 is an equidigital number, since it uses as much as digits as its factorization.

47034781369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7025770.

The product of its (nonzero) digits is 3048192, while the sum is 52.

The spelling of 47034781369 in words is "forty-seven billion, thirty-four million, seven hundred eighty-one thousand, three hundred sixty-nine".