203542811473 has 8 divisors (see below), whose sum is σ = 210581772480. Its totient is φ = 196505200080.

The previous prime is 203542811449. The next prime is 203542811501. The reversal of 203542811473 is 374118245302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 203542811473 - 2²⁹ = 203005940561 is a prime.

It is a super-2 number, since 2×203542811473² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (203542811873) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25663 + ... + 638548.

It is an arithmetic number, because the mean of its divisors is an integer number (26322721560).

Almost surely, 2^203542811473 is an apocalyptic number.

It is an amenable number.

203542811473 is a deficient number, since it is larger than the sum of its proper divisors (7038961007).

203542811473 is a wasteful number, since it uses less digits than its factorization.

203542811473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 674807.

The product of its (nonzero) digits is 161280, while the sum is 40.

The spelling of 203542811473 in words is "two hundred three billion, five hundred forty-two million, eight hundred eleven thousand, four hundred seventy-three".