690232980069 has 8 divisors (see below), whose sum is σ = 1022567377920. Its totient is φ = 460155320028.

The previous prime is 690232980043. The next prime is 690232980091. The reversal of 690232980069 is 960089232096.

It is not a de Polignac number, because 690232980069 - 2¹³ = 690232971877 is a prime.

It is a super-3 number, since 3×690232980069³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 690232979997 and 690232980024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (690232980169) 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, 12782092197 + ... + 12782092250.

It is an arithmetic number, because the mean of its divisors is an integer number (127820922240).

Almost surely, 2^690232980069 is an apocalyptic number.

It is an amenable number.

690232980069 is a deficient number, since it is larger than the sum of its proper divisors (332334397851).

690232980069 is a wasteful number, since it uses less digits than its factorization.

690232980069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25564184456 (or 25564184450 counting only the distinct ones).

The product of its (nonzero) digits is 2519424, while the sum is 54.

The spelling of 690232980069 in words is "six hundred ninety billion, two hundred thirty-two million, nine hundred eighty thousand, sixty-nine".