690486554223 has 12 divisors (see below), whose sum is σ = 998501566608. Its totient is φ = 459801862080.

The previous prime is 690486554183. The next prime is 690486554281. The reversal of 690486554223 is 322455684096.

690486554223 is a `hidden beast` number, since 6 + 9 + 0 + 4 + 86 + 554 + 2 + 2 + 3 = 666.

It is not a de Polignac number, because 690486554223 - 2¹³ = 690486546031 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 690486554223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (690486559223) 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 11 ways as a sum of consecutive naturals, for example, 43533915 + ... + 43549772.

It is an arithmetic number, because the mean of its divisors is an integer number (83208463884).

Almost surely, 2^690486554223 is an apocalyptic number.

690486554223 is a deficient number, since it is larger than the sum of its proper divisors (308015012385).

690486554223 is a wasteful number, since it uses less digits than its factorization.

690486554223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87084574 (or 87084571 counting only the distinct ones).

The product of its (nonzero) digits is 12441600, while the sum is 54.

The spelling of 690486554223 in words is "six hundred ninety billion, four hundred eighty-six million, five hundred fifty-four thousand, two hundred twenty-three".