690002022843 has 24 divisors (see below), whose sum is σ = 1139117411328. Its totient is φ = 394263867312.

The previous prime is 690002022833. The next prime is 690002022863. The reversal of 690002022843 is 348220200096.

690002022843 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-690002022843 is a prime.

It is a super-3 number, since 3×690002022843³ (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 = 690002022798 and 690002022807.

It is not an unprimeable number, because it can be changed into a prime (690002022833) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 799830 + ... + 1421172.

It is an arithmetic number, because the mean of its divisors is an integer number (47463225472).

Almost surely, 2^690002022843 is an apocalyptic number.

690002022843 is a gapful number since it is divisible by the number (63) formed by its first and last digit.

690002022843 is a deficient number, since it is larger than the sum of its proper divisors (449115388485).

690002022843 is a wasteful number, since it uses less digits than its factorization.

690002022843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 638983 (or 638980 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The spelling of 690002022843 in words is "six hundred ninety billion, two million, twenty-two thousand, eight hundred forty-three".