654702424216551 has 6 divisors (see below), whose sum is σ = 945681279423920. Its totient is φ = 436468282811028.

The previous prime is 654702424216543. The next prime is 654702424216651. The reversal of 654702424216551 is 155612424207456.

654702424216551 is a `hidden beast` number, since 6 + 5 + 4 + 7 + 0 + 2 + 42 + 42 + 1 + 6 + 551 = 666.

It is not a de Polignac number, because 654702424216551 - 2³ = 654702424216543 is a prime.

It is a super-2 number, since 2×654702424216551² (a number of 30 digits) 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 (654702424216051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 36372356900911 + ... + 36372356900928.

Almost surely, 2^{654702424216551} is an apocalyptic number.

654702424216551 is a deficient number, since it is larger than the sum of its proper divisors (290978855207369).

654702424216551 is a wasteful number, since it uses less digits than its factorization.

654702424216551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72744713801845 (or 72744713801842 counting only the distinct ones).

The product of its (nonzero) digits is 16128000, while the sum is 54.

The spelling of 654702424216551 in words is "six hundred fifty-four trillion, seven hundred two billion, four hundred twenty-four million, two hundred sixteen thousand, five hundred fifty-one".