642233444332246 has 16 divisors (see below), whose sum is σ = 1037456303517648. Its totient is φ = 296414784972000.

The previous prime is 642233444332219. The next prime is 642233444332313.

642233444332246 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 642233444332193 and 642233444332202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14948260 + ... + 38831911.

It is an arithmetic number, because the mean of its divisors is an integer number (64841018969853).

Almost surely, 2^{642233444332246} is an apocalyptic number.

642233444332246 is a deficient number, since it is larger than the sum of its proper divisors (395222859185402).

642233444332246 is a wasteful number, since it uses less digits than its factorization.

642233444332246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54239487.

The product of its digits is 47775744, while the sum is 52.

The spelling of 642233444332246 in words is "six hundred forty-two trillion, two hundred thirty-three billion, four hundred forty-four million, three hundred thirty-two thousand, two hundred forty-six".