47351135819 has 4 divisors (see below), whose sum is σ = 50993530896. Its totient is φ = 43708740744.

The previous prime is 47351135789. The next prime is 47351135837. The reversal of 47351135819 is 91853115374.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 47351135819 - 2⁸ = 47351135563 is a prime.

It is a super-2 number, since 2×47351135819² (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 (47351135899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1821197519 + ... + 1821197544.

It is an arithmetic number, because the mean of its divisors is an integer number (12748382724).

Almost surely, 2^47351135819 is an apocalyptic number.

47351135819 is a deficient number, since it is larger than the sum of its proper divisors (3642395077).

47351135819 is a wasteful number, since it uses less digits than its factorization.

47351135819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3642395076.

The product of its digits is 453600, while the sum is 47.

The spelling of 47351135819 in words is "forty-seven billion, three hundred fifty-one million, one hundred thirty-five thousand, eight hundred nineteen".