654342505243456 has 56 divisors (see below), whose sum is σ = 1305245848427136. Its totient is φ = 325466107852800.

The previous prime is 654342505243423. The next prime is 654342505243561.

It is a happy number.

654342505243456 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×654342505243456² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 654342505243456.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 25317706 + ... + 44155081.

It is an arithmetic number, because the mean of its divisors is an integer number (23307961579056).

Almost surely, 2^{654342505243456} is an apocalyptic number.

It is an amenable number.

654342505243456 is a deficient number, since it is larger than the sum of its proper divisors (650903343183680).

654342505243456 is a wasteful number, since it uses less digits than its factorization.

654342505243456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69473567 (or 69473557 counting only the distinct ones).

The product of its (nonzero) digits is 207360000, while the sum is 58.

The spelling of 654342505243456 in words is "six hundred fifty-four trillion, three hundred forty-two billion, five hundred five million, two hundred forty-three thousand, four hundred fifty-six".