47345665721322 has 16 divisors (see below), whose sum is σ = 94691952204480. Its totient is φ = 15781785113472.

The previous prime is 47345665721293. The next prime is 47345665721401. The reversal of 47345665721322 is 22312756654374.

47345665721322 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×47345665721322² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24870622 + ... + 26706537.

It is an arithmetic number, because the mean of its divisors is an integer number (5918247012780).

Almost surely, 2^{47345665721322} is an apocalyptic number.

47345665721322 is an abundant number, since it is smaller than the sum of its proper divisors (47346286483158).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47345665721322 is a wasteful number, since it uses less digits than its factorization.

47345665721322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51730157.

The product of its digits is 50803200, while the sum is 57.

The spelling of 47345665721322 in words is "forty-seven trillion, three hundred forty-five billion, six hundred sixty-five million, seven hundred twenty-one thousand, three hundred twenty-two".