47134049309 has 4 divisors (see below), whose sum is σ = 47148211260. Its totient is φ = 47119887360.

The previous prime is 47134049299. The next prime is 47134049351. The reversal of 47134049309 is 90394043174.

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 24309487225 + 22824562084 = 155915^2 + 151078^2 .

It is a cyclic number.

It is not a de Polignac number, because 47134049309 - 2¹⁶ = 47133983773 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 47134049309.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47134049009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7075982 + ... + 7082639.

It is an arithmetic number, because the mean of its divisors is an integer number (11787052815).

Almost surely, 2^47134049309 is an apocalyptic number.

It is an amenable number.

47134049309 is a deficient number, since it is larger than the sum of its proper divisors (14161951).

47134049309 is a wasteful number, since it uses less digits than its factorization.

47134049309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14161950.

The product of its (nonzero) digits is 326592, while the sum is 44.

The spelling of 47134049309 in words is "forty-seven billion, one hundred thirty-four million, forty-nine thousand, three hundred nine".