1003535442401 has 4 divisors (see below), whose sum is σ = 1009927388052. Its totient is φ = 997143496752.

The previous prime is 1003535442389. The next prime is 1003535442443. The reversal of 1003535442401 is 1042445353001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 146520528400 + 857014914001 = 382780^2 + 925751^2 .

It is a cyclic number.

It is not a de Polignac number, because 1003535442401 - 2²⁶ = 1003468333537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1003535442451) 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 3 ways as a sum of consecutive naturals, for example, 3195972590 + ... + 3195972903.

It is an arithmetic number, because the mean of its divisors is an integer number (252481847013).

Almost surely, 2^{1003535442401} is an apocalyptic number.

It is an amenable number.

1003535442401 is a deficient number, since it is larger than the sum of its proper divisors (6391945651).

1003535442401 is an equidigital number, since it uses as much as digits as its factorization.

1003535442401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6391945650.

The product of its (nonzero) digits is 28800, while the sum is 32.

The spelling of 1003535442401 in words is "one trillion, three billion, five hundred thirty-five million, four hundred forty-two thousand, four hundred one".