681033433498 has 16 divisors (see below), whose sum is σ = 1114510813920. Its totient is φ = 309534966000.

The previous prime is 681033433477. The next prime is 681033433501. The reversal of 681033433498 is 894334330186.

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, 1011828 + ... + 1544623.

It is an arithmetic number, because the mean of its divisors is an integer number (69656925870).

Almost surely, 2^681033433498 is an apocalyptic number.

681033433498 is a deficient number, since it is larger than the sum of its proper divisors (433477380422).

681033433498 is a wasteful number, since it uses less digits than its factorization.

681033433498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2568573.

The product of its (nonzero) digits is 4478976, while the sum is 52.

The spelling of 681033433498 in words is "six hundred eighty-one billion, thirty-three million, four hundred thirty-three thousand, four hundred ninety-eight".