647412358843 has 4 divisors (see below), whose sum is σ = 652510094080. Its totient is φ = 642314623608.

The previous prime is 647412358823. The next prime is 647412358903. The reversal of 647412358843 is 348853214746.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 647412358843 - 2⁵ = 647412358811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (647412358823) 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 3 ways as a sum of consecutive naturals, for example, 2548867428 + ... + 2548867681.

It is an arithmetic number, because the mean of its divisors is an integer number (163127523520).

Almost surely, 2^647412358843 is an apocalyptic number.

647412358843 is a deficient number, since it is larger than the sum of its proper divisors (5097735237).

647412358843 is a wasteful number, since it uses less digits than its factorization.

647412358843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5097735236.

The product of its digits is 15482880, while the sum is 55.

The spelling of 647412358843 in words is "six hundred forty-seven billion, four hundred twelve million, three hundred fifty-eight thousand, eight hundred forty-three".