545921380425 has 24 divisors (see below), whose sum is σ = 903053361600. Its totient is φ = 291008603200.

The previous prime is 545921380421. The next prime is 545921380453. The reversal of 545921380425 is 524083129545.

It is not a de Polignac number, because 545921380425 - 2² = 545921380421 is a prime.

It is not an unprimeable number, because it can be changed into a prime (545921380421) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1721181 + ... + 2013530.

It is an arithmetic number, because the mean of its divisors is an integer number (37627223400).

Almost surely, 2^545921380425 is an apocalyptic number.

It is an amenable number.

545921380425 is a deficient number, since it is larger than the sum of its proper divisors (357131981175).

545921380425 is a wasteful number, since it uses less digits than its factorization.

545921380425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3736673 (or 3736668 counting only the distinct ones).

The product of its (nonzero) digits is 1728000, while the sum is 48.

The spelling of 545921380425 in words is "five hundred forty-five billion, nine hundred twenty-one million, three hundred eighty thousand, four hundred twenty-five".