654025652446 has 4 divisors (see below), whose sum is σ = 981038478672. Its totient is φ = 327012826222.

The previous prime is 654025652377. The next prime is 654025652447. The reversal of 654025652446 is 644256520456.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 654025652446.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (654025652447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 163506413110 + ... + 163506413113.

It is an arithmetic number, because the mean of its divisors is an integer number (245259619668).

Almost surely, 2^654025652446 is an apocalyptic number.

654025652446 is a deficient number, since it is larger than the sum of its proper divisors (327012826226).

654025652446 is a wasteful number, since it uses less digits than its factorization.

654025652446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327012826225.

The product of its (nonzero) digits is 6912000, while the sum is 49.

The spelling of 654025652446 in words is "six hundred fifty-four billion, twenty-five million, six hundred fifty-two thousand, four hundred forty-six".