47821659361 has 4 divisors (see below), whose sum is σ = 54653324992. Its totient is φ = 40989993732.

The previous prime is 47821659343. The next prime is 47821659371. The reversal of 47821659361 is 16395612874.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 47821659361 - 2⁹ = 47821658849 is a prime.

It is a super-2 number, since 2×47821659361² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 47821659299 and 47821659308.

It is not an unprimeable number, because it can be changed into a prime (47821659371) 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, 3415832805 + ... + 3415832818.

It is an arithmetic number, because the mean of its divisors is an integer number (13663331248).

Almost surely, 2^47821659361 is an apocalyptic number.

It is an amenable number.

47821659361 is a deficient number, since it is larger than the sum of its proper divisors (6831665631).

47821659361 is an equidigital number, since it uses as much as digits as its factorization.

47821659361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6831665630.

The product of its digits is 2177280, while the sum is 52.

The spelling of 47821659361 in words is "forty-seven billion, eight hundred twenty-one million, six hundred fifty-nine thousand, three hundred sixty-one".