203964494532 has 12 divisors (see below), whose sum is σ = 475917153936. Its totient is φ = 67988164840.

The previous prime is 203964494519. The next prime is 203964494561. The reversal of 203964494532 is 235494469302.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8498520594 + ... + 8498520617.

It is an arithmetic number, because the mean of its divisors is an integer number (39659762828).

Almost surely, 2^203964494532 is an apocalyptic number.

It is an amenable number.

203964494532 is an abundant number, since it is smaller than the sum of its proper divisors (271952659404).

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

203964494532 is a wasteful number, since it uses less digits than its factorization.

203964494532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16997041218 (or 16997041216 counting only the distinct ones).

The product of its (nonzero) digits is 5598720, while the sum is 51.

The spelling of 203964494532 in words is "two hundred three billion, nine hundred sixty-four million, four hundred ninety-four thousand, five hundred thirty-two".