690465822797601 has 128 divisors (see below), whose sum is σ = 1145473813555200. Its totient is φ = 409195461242880.

The previous prime is 690465822797591. The next prime is 690465822797629. The reversal of 690465822797601 is 106797228564096.

690465822797601 is a `hidden beast` number, since 6 + 9 + 0 + 4 + 6 + 5 + 8 + 2 + 2 + 7 + 9 + 7 + 601 = 666.

It is not a de Polignac number, because 690465822797601 - 2⁹ = 690465822797089 is a prime.

It is a super-3 number, since 3×690465822797601³ (a number of 45 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 690465822797601.

It is not an unprimeable number, because it can be changed into a prime (690465822795601) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 64795615 + ... + 74695403.

It is an arithmetic number, because the mean of its divisors is an integer number (8949014168400).

Almost surely, 2^{690465822797601} is an apocalyptic number.

690465822797601 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

It is an amenable number.

690465822797601 is a deficient number, since it is larger than the sum of its proper divisors (455007990757599).

690465822797601 is a wasteful number, since it uses less digits than its factorization.

690465822797601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9899976 (or 9899970 counting only the distinct ones).

The product of its (nonzero) digits is 548674560, while the sum is 72.

The spelling of 690465822797601 in words is "six hundred ninety trillion, four hundred sixty-five billion, eight hundred twenty-two million, seven hundred ninety-seven thousand, six hundred one".