690869080523 has 8 divisors (see below), whose sum is σ = 693677493648. Its totient is φ = 688061599744.

The previous prime is 690869080493. The next prime is 690869080537. The reversal of 690869080523 is 325080968096.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 690869080523 - 2¹² = 690869076427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (690869080123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1271615 + ... + 1731687.

It is an arithmetic number, because the mean of its divisors is an integer number (86709686706).

Almost surely, 2^690869080523 is an apocalyptic number.

690869080523 is a deficient number, since it is larger than the sum of its proper divisors (2808413125).

690869080523 is a wasteful number, since it uses less digits than its factorization.

690869080523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 466173.

The product of its (nonzero) digits is 5598720, while the sum is 56.

The spelling of 690869080523 in words is "six hundred ninety billion, eight hundred sixty-nine million, eighty thousand, five hundred twenty-three".