646433062754 has 16 divisors (see below), whose sum is σ = 979314644736. Its totient is φ = 319995270000.

The previous prime is 646433062753. The next prime is 646433062787. The reversal of 646433062754 is 457260334646.

646433062754 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (646433062753) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3225839 + ... + 3420365.

It is an arithmetic number, because the mean of its divisors is an integer number (61207165296).

Almost surely, 2^646433062754 is an apocalyptic number.

646433062754 is a deficient number, since it is larger than the sum of its proper divisors (332881581982).

646433062754 is a wasteful number, since it uses less digits than its factorization.

646433062754 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211081.

The product of its (nonzero) digits is 8709120, while the sum is 50.

The spelling of 646433062754 in words is "six hundred forty-six billion, four hundred thirty-three million, sixty-two thousand, seven hundred fifty-four".