690711384734 has 16 divisors (see below), whose sum is σ = 1206417729888. Its totient is φ = 290433897312.

The previous prime is 690711384721. The next prime is 690711384749. The reversal of 690711384734 is 437483117096.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a congruent number.

It is an unprimeable number.

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, 465438197 + ... + 465439680.

It is an arithmetic number, because the mean of its divisors is an integer number (75401108118).

Almost surely, 2^690711384734 is an apocalyptic number.

690711384734 is a deficient number, since it is larger than the sum of its proper divisors (515706345154).

690711384734 is a wasteful number, since it uses less digits than its factorization.

690711384734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 930877939.

The product of its (nonzero) digits is 3048192, while the sum is 53.

The spelling of 690711384734 in words is "six hundred ninety billion, seven hundred eleven million, three hundred eighty-four thousand, seven hundred thirty-four".