47722571545 has 32 divisors (see below), whose sum is σ = 66107695104. Its totient is φ = 32730667200.

The previous prime is 47722571543. The next prime is 47722571569. The reversal of 47722571545 is 54517522774.

It is a happy number.

It is not a de Polignac number, because 47722571545 - 2¹ = 47722571543 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47722571543) 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 31 ways as a sum of consecutive naturals, for example, 175857 + ... + 355486.

It is an arithmetic number, because the mean of its divisors is an integer number (2065865472).

Almost surely, 2^47722571545 is an apocalyptic number.

It is an amenable number.

47722571545 is a deficient number, since it is larger than the sum of its proper divisors (18385123559).

47722571545 is a wasteful number, since it uses less digits than its factorization.

47722571545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 531453.

The product of its digits is 2744000, while the sum is 49.

The spelling of 47722571545 in words is "forty-seven billion, seven hundred twenty-two million, five hundred seventy-one thousand, five hundred forty-five".