690341013 has 6 divisors (see below), whose sum is σ = 997159254. Its totient is φ = 460227336.

The previous prime is 690341011. The next prime is 690341017. The reversal of 690341013 is 310143096.

It can be written as a sum of positive squares in only one way, i.e., 651627729 + 38713284 = 25527^2 + 6222^2 .

It is not a de Polignac number, because 690341013 - 2¹ = 690341011 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (690341011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 38352270 + ... + 38352287.

It is an arithmetic number, because the mean of its divisors is an integer number (166193209).

Almost surely, 2^690341013 is an apocalyptic number.

It is an amenable number.

690341013 is a deficient number, since it is larger than the sum of its proper divisors (306818241).

690341013 is a wasteful number, since it uses less digits than its factorization.

690341013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76704563 (or 76704560 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 690341013 is about 26274.3413428386. The cubic root of 690341013 is about 883.8011421995.

The spelling of 690341013 in words is "six hundred ninety million, three hundred forty-one thousand, thirteen".