545699964 has 12 divisors (see below), whose sum is σ = 1273299944. Its totient is φ = 181899984.

The previous prime is 545699953. The next prime is 545699993. The reversal of 545699964 is 469996545.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22737487 + ... + 22737510.

Almost surely, 2^545699964 is an apocalyptic number.

It is an amenable number.

545699964 is an abundant number, since it is smaller than the sum of its proper divisors (727599980).

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

545699964 is a wasteful number, since it uses less digits than its factorization.

545699964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45475004 (or 45475002 counting only the distinct ones).

The product of its digits is 10497600, while the sum is 57.

The square root of 545699964 is about 23360.2218311385. The cubic root of 545699964 is about 817.1804629852.

The spelling of 545699964 in words is "five hundred forty-five million, six hundred ninety-nine thousand, nine hundred sixty-four".