203972089798659 has 32 divisors (see below), whose sum is σ = 336969895449600. Its totient is φ = 106867595371392.

The previous prime is 203972089798637. The next prime is 203972089798691. The reversal of 203972089798659 is 956897980279302.

It is not a de Polignac number, because 203972089798659 - 2¹⁶ = 203972089733123 is a prime.

It is a super-4 number, since 4×203972089798659⁴ (a number of 58 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (203972089798159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2507175807 + ... + 2507257160.

It is an arithmetic number, because the mean of its divisors is an integer number (10530309232800).

Almost surely, 2^{203972089798659} is an apocalyptic number.

203972089798659 is a deficient number, since it is larger than the sum of its proper divisors (132997805650941).

203972089798659 is a wasteful number, since it uses less digits than its factorization.

203972089798659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5014433139.

The product of its (nonzero) digits is 7407106560, while the sum is 84.

The spelling of 203972089798659 in words is "two hundred three trillion, nine hundred seventy-two billion, eighty-nine million, seven hundred ninety-eight thousand, six hundred fifty-nine".