690242884834 has 16 divisors (see below), whose sum is σ = 1089907704000. Its totient is φ = 326942000784.

The previous prime is 690242884831. The next prime is 690242884901. The reversal of 690242884834 is 438488242096.

It is not an unprimeable number, because it can be changed into a prime (690242884831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 432067 + ... + 1251865.

It is an arithmetic number, because the mean of its divisors is an integer number (68119231500).

Almost surely, 2^690242884834 is an apocalyptic number.

690242884834 is a deficient number, since it is larger than the sum of its proper divisors (399664819166).

690242884834 is a wasteful number, since it uses less digits than its factorization.

690242884834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 841977.

The product of its (nonzero) digits is 21233664, while the sum is 58.

The spelling of 690242884834 in words is "six hundred ninety billion, two hundred forty-two million, eight hundred eighty-four thousand, eight hundred thirty-four".