647037870963 has 32 divisors (see below), whose sum is σ = 959371468800. Its totient is φ = 384615972000.

The previous prime is 647037870937. The next prime is 647037870971. The reversal of 647037870963 is 369078730746.

It is not a de Polignac number, because 647037870963 - 2¹⁰ = 647037869939 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 647037870897 and 647037870906.

It is not an unprimeable number, because it can be changed into a prime (647037870863) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 428173 + ... + 1215486.

It is an arithmetic number, because the mean of its divisors is an integer number (29980358400).

Almost surely, 2^647037870963 is an apocalyptic number.

647037870963 is a deficient number, since it is larger than the sum of its proper divisors (312333597837).

647037870963 is a wasteful number, since it uses less digits than its factorization.

647037870963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1643903.

The product of its (nonzero) digits is 32006016, while the sum is 60.

The spelling of 647037870963 in words is "six hundred forty-seven billion, thirty-seven million, eight hundred seventy thousand, nine hundred sixty-three".