203450252330005 has 16 divisors (see below), whose sum is σ = 260789120958384. Its totient is φ = 151830443376640.

The previous prime is 203450252329913. The next prime is 203450252330069. The reversal of 203450252330005 is 500033252054302.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 779210487441 + 202671041842564 = 882729^2 + 14236258^2 .

It is a de Polignac number, because none of the positive numbers 2^k-203450252330005 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10590841636 + ... + 10590860845.

It is an arithmetic number, because the mean of its divisors is an integer number (16299320059899).

Almost surely, 2^{203450252330005} is an apocalyptic number.

It is an amenable number.

203450252330005 is a deficient number, since it is larger than the sum of its proper divisors (57338868628379).

203450252330005 is a wasteful number, since it uses less digits than its factorization.

203450252330005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21181702616.

The product of its (nonzero) digits is 108000, while the sum is 34.

The spelling of 203450252330005 in words is "two hundred three trillion, four hundred fifty billion, two hundred fifty-two million, three hundred thirty thousand, five".