506653356605 has 16 divisors (see below), whose sum is σ = 663295336704. Its totient is φ = 368452927680.

The previous prime is 506653356589. The next prime is 506653356617.

It is a happy number.

506653356605 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 506653356605 - 2⁴ = 506653356589 is a prime.

It is a super-2 number, since 2×506653356605² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 670652 + ... + 1209578.

It is an arithmetic number, because the mean of its divisors is an integer number (41455958544).

Almost surely, 2^506653356605 is an apocalyptic number.

506653356605 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

506653356605 is a deficient number, since it is larger than the sum of its proper divisors (156641980099).

506653356605 is a wasteful number, since it uses less digits than its factorization.

506653356605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556036.

The product of its (nonzero) digits is 7290000, while the sum is 50.

The spelling of 506653356605 in words is "five hundred six billion, six hundred fifty-three million, three hundred fifty-six thousand, six hundred five".