32784640068458 has 4 divisors (see below), whose sum is σ = 49176960102690. Its totient is φ = 16392320034228.

The previous prime is 32784640068449. The next prime is 32784640068503. The reversal of 32784640068458 is 85486004648723.

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

It can be written as a sum of positive squares in only one way, i.e., 30531780160249 + 2252859908209 = 5525557^2 + 1500953^2 .

It is a junction number, because it is equal to n+sod(n) for n = 32784640068394 and 32784640068403.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 8196160017113 + ... + 8196160017116.

Almost surely, 2^{32784640068458} is an apocalyptic number.

32784640068458 is a deficient number, since it is larger than the sum of its proper divisors (16392320034232).

32784640068458 is a wasteful number, since it uses less digits than its factorization.

32784640068458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16392320034231.

The product of its (nonzero) digits is 247726080, while the sum is 65.

The spelling of 32784640068458 in words is "thirty-two trillion, seven hundred eighty-four billion, six hundred forty million, sixty-eight thousand, four hundred fifty-eight".