647242472342 has 32 divisors (see below), whose sum is σ = 978611289600. Its totient is φ = 321051924000.

The previous prime is 647242472333. The next prime is 647242472363. The reversal of 647242472342 is 243274242746.

647242472342 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 148345853 + ... + 148350215.

It is an arithmetic number, because the mean of its divisors is an integer number (30581602800).

Almost surely, 2^647242472342 is an apocalyptic number.

647242472342 is a deficient number, since it is larger than the sum of its proper divisors (331368817258).

647242472342 is a wasteful number, since it uses less digits than its factorization.

647242472342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5748.

The product of its digits is 3612672, while the sum is 47.

The spelling of 647242472342 in words is "six hundred forty-seven billion, two hundred forty-two million, four hundred seventy-two thousand, three hundred forty-two".