47367657509 has 4 divisors (see below), whose sum is σ = 47368284204. Its totient is φ = 47367030816.

The previous prime is 47367657443. The next prime is 47367657523. The reversal of 47367657509 is 90575676374.

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 24520428100 + 22847229409 = 156590^2 + 151153^2 .

It is a cyclic number.

It is not a de Polignac number, because 47367657509 - 2²⁴ = 47350880293 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47367657559) 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, 181472 + ... + 357305.

It is an arithmetic number, because the mean of its divisors is an integer number (11842071051).

Almost surely, 2^47367657509 is an apocalyptic number.

It is an amenable number.

47367657509 is a deficient number, since it is larger than the sum of its proper divisors (626695).

47367657509 is an equidigital number, since it uses as much as digits as its factorization.

47367657509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 626694.

The product of its (nonzero) digits is 33339600, while the sum is 59.

The spelling of 47367657509 in words is "forty-seven billion, three hundred sixty-seven million, six hundred fifty-seven thousand, five hundred nine".