647675801043 has 16 divisors (see below), whose sum is σ = 869844743040. Its totient is φ = 428645822976.

The previous prime is 647675801021. The next prime is 647675801053. The reversal of 647675801043 is 340108576746.

It is a happy number.

It is not a de Polignac number, because 647675801043 - 2⁵ = 647675801011 is a prime.

It is not an unprimeable number, because it can be changed into a prime (647675801053) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 6483571 + ... + 6582707.

It is an arithmetic number, because the mean of its divisors is an integer number (54365296440).

Almost surely, 2^647675801043 is an apocalyptic number.

647675801043 is a deficient number, since it is larger than the sum of its proper divisors (222168941997).

647675801043 is a wasteful number, since it uses less digits than its factorization.

647675801043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114946.

The product of its (nonzero) digits is 3386880, while the sum is 51.

The spelling of 647675801043 in words is "six hundred forty-seven billion, six hundred seventy-five million, eight hundred one thousand, forty-three".