546654688321 has 45 divisors (see below), whose sum is σ = 649299902433. Its totient is φ = 460207860840.

The previous prime is 546654688319. The next prime is 546654688351. The reversal of 546654688321 is 123886456645.

The square root of 546654688321 is 739361.

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

It is not a de Polignac number, because 546654688321 - 2¹ = 546654688319 is a prime.

It is not an unprimeable number, because it can be changed into a prime (546654688351) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 2862066336 + ... + 2862066526.

Almost surely, 2^546654688321 is an apocalyptic number.

546654688321 is the 739361-st square number.

546654688321 is the 369681-st centered octagonal number.

It is an amenable number.

546654688321 is a deficient number, since it is larger than the sum of its proper divisors (102645214112).

546654688321 is an frugal number, since it uses more digits than its factorization.

546654688321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 568 (or 277 counting only the distinct ones).

The product of its digits is 33177600, while the sum is 58.

The spelling of 546654688321 in words is "five hundred forty-six billion, six hundred fifty-four million, six hundred eighty-eight thousand, three hundred twenty-one".