690106462085253 has 4 divisors (see below), whose sum is σ = 920141949447008. Its totient is φ = 460070974723500.

The previous prime is 690106462085239. The next prime is 690106462085263. The reversal of 690106462085253 is 352580264601096.

690106462085253 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 690106462085253 - 2²⁹ = 690105925214341 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 690106462085193 and 690106462085202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (690106462085263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115017743680873 + ... + 115017743680878.

It is an arithmetic number, because the mean of its divisors is an integer number (230035487361752).

Almost surely, 2^{690106462085253} is an apocalyptic number.

It is an amenable number.

690106462085253 is a deficient number, since it is larger than the sum of its proper divisors (230035487361755).

690106462085253 is a wasteful number, since it uses less digits than its factorization.

690106462085253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230035487361754.

The product of its (nonzero) digits is 18662400, while the sum is 57.

The spelling of 690106462085253 in words is "six hundred ninety trillion, one hundred six billion, four hundred sixty-two million, eighty-five thousand, two hundred fifty-three".