47821659353 has 4 divisors (see below), whose sum is σ = 51500248548. Its totient is φ = 44143070160.

The previous prime is 47821659343. The next prime is 47821659371. The reversal of 47821659353 is 35395612874.

It is a happy number.

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 3390499984 + 44431159369 = 58228^2 + 210787^2 .

It is a cyclic number.

It is not a de Polignac number, because 47821659353 - 2⁴ = 47821659337 is a prime.

It is a super-2 number, since 2×47821659353² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 47821659295 and 47821659304.

It is not an unprimeable number, because it can be changed into a prime (47821659313) 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, 1839294578 + ... + 1839294603.

It is an arithmetic number, because the mean of its divisors is an integer number (12875062137).

Almost surely, 2^47821659353 is an apocalyptic number.

It is an amenable number.

47821659353 is a deficient number, since it is larger than the sum of its proper divisors (3678589195).

47821659353 is a wasteful number, since it uses less digits than its factorization.

47821659353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3678589194.

The product of its digits is 5443200, while the sum is 53.

The spelling of 47821659353 in words is "forty-seven billion, eight hundred twenty-one million, six hundred fifty-nine thousand, three hundred fifty-three".