654069655 has 4 divisors (see below), whose sum is σ = 784883592. Its totient is φ = 523255720.

The previous prime is 654069649. The next prime is 654069659. The reversal of 654069655 is 556960456.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 654069655 - 2¹¹ = 654067607 is a prime.

It is a super-2 number, since 2×654069655² = 855614227183638050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (654069659) 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 3 ways as a sum of consecutive naturals, for example, 65406961 + ... + 65406970.

It is an arithmetic number, because the mean of its divisors is an integer number (196220898).

Almost surely, 2^654069655 is an apocalyptic number.

654069655 is a deficient number, since it is larger than the sum of its proper divisors (130813937).

654069655 is a wasteful number, since it uses less digits than its factorization.

654069655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130813936.

The product of its (nonzero) digits is 972000, while the sum is 46.

The square root of 654069655 is about 25574.7855318476. The cubic root of 654069655 is about 868.0431886706.

The spelling of 654069655 in words is "six hundred fifty-four million, sixty-nine thousand, six hundred fifty-five".