654147734436 has 315 divisors, whose sum is σ = 2010426749947. Its totient is φ = 185472640080.

The previous prime is 654147734423. The next prime is 654147734453. The reversal of 654147734436 is 634437741456.

The square root of 654147734436 is 808794.

It is a perfect power (a square), and thus also a powerful number.

654147734436 is a `hidden beast` number, since 6 + 54 + 147 + 7 + 3 + 443 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

Its product of digits (20321280) is a multiple of the sum of its prime factors (320).

It is an unprimeable number.

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 104 ways as a sum of consecutive naturals, for example, 4993494091 + ... + 4993494221.

Almost surely, 2^654147734436 is an apocalyptic number.

654147734436 is the 808794-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 654147734436

654147734436 is an abundant number, since it is smaller than the sum of its proper divisors (1356279015511).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

654147734436 is an frugal number, since it uses more digits than its factorization.

654147734436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320 (or 143 counting only the distinct ones).

The product of its digits is 20321280, while the sum is 54.

The spelling of 654147734436 in words is "six hundred fifty-four billion, one hundred forty-seven million, seven hundred thirty-four thousand, four hundred thirty-six".