401603505233 has 4 divisors (see below), whose sum is σ = 458975434560. Its totient is φ = 344231575908.

The previous prime is 401603505221. The next prime is 401603505253. The reversal of 401603505233 is 332505306104.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 401603505233 - 2¹⁰ = 401603504209 is a prime.

It is a super-2 number, since 2×401603505233² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 401603505233.

It is not an unprimeable number, because it can be changed into a prime (401603505253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28685964653 + ... + 28685964666.

It is an arithmetic number, because the mean of its divisors is an integer number (114743858640).

Almost surely, 2^401603505233 is an apocalyptic number.

It is an amenable number.

401603505233 is a deficient number, since it is larger than the sum of its proper divisors (57371929327).

401603505233 is an equidigital number, since it uses as much as digits as its factorization.

401603505233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57371929326.

The product of its (nonzero) digits is 32400, while the sum is 32.

The spelling of 401603505233 in words is "four hundred one billion, six hundred three million, five hundred five thousand, two hundred thirty-three".