546332391921 has 8 divisors (see below), whose sum is σ = 728654407200. Its totient is φ = 364115985632.

The previous prime is 546332391919. The next prime is 546332391973. The reversal of 546332391921 is 129193233645.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 546332391921 - 2¹ = 546332391919 is a prime.

It is a super-2 number, since 2×546332391921² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (546332390921) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26390175 + ... + 26410868.

It is an arithmetic number, because the mean of its divisors is an integer number (91081800900).

Almost surely, 2^546332391921 is an apocalyptic number.

It is an amenable number.

546332391921 is a deficient number, since it is larger than the sum of its proper divisors (182322015279).

546332391921 is a wasteful number, since it uses less digits than its factorization.

546332391921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52804495.

The product of its digits is 1049760, while the sum is 48.

The spelling of 546332391921 in words is "five hundred forty-six billion, three hundred thirty-two million, three hundred ninety-one thousand, nine hundred twenty-one".