647432234746 has 48 divisors (see below), whose sum is σ = 1115204154120. Its totient is φ = 281325968000.

The previous prime is 647432234719. The next prime is 647432234767.

647432234746 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 4 ways, for example, as 624392334225 + 23039900521 = 790185^2 + 151789^2 .

It is a junction number, because it is equal to n+sod(n) for n = 647432234693 and 647432234702.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 252120 + ... + 1165516.

Almost surely, 2^647432234746 is an apocalyptic number.

647432234746 is a deficient number, since it is larger than the sum of its proper divisors (467771919374).

647432234746 is a wasteful number, since it uses less digits than its factorization.

647432234746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 913551 (or 913540 counting only the distinct ones).

The product of its digits is 16257024, while the sum is 52.

The spelling of 647432234746 in words is "six hundred forty-seven billion, four hundred thirty-two million, two hundred thirty-four thousand, seven hundred forty-six".