1003435491745 has 4 divisors (see below), whose sum is σ = 1204122590100. Its totient is φ = 802748393392.

The previous prime is 1003435491739. The next prime is 1003435491763. The reversal of 1003435491745 is 5471945343001.

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 406920237409 + 596515254336 = 637903^2 + 772344^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1003435491745 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1003435491695 and 1003435491704.

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 3 ways as a sum of consecutive naturals, for example, 100343549170 + ... + 100343549179.

It is an arithmetic number, because the mean of its divisors is an integer number (301030647525).

Almost surely, 2^{1003435491745} is an apocalyptic number.

It is an amenable number.

1003435491745 is a deficient number, since it is larger than the sum of its proper divisors (200687098355).

1003435491745 is an equidigital number, since it uses as much as digits as its factorization.

1003435491745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200687098354.

The product of its (nonzero) digits is 907200, while the sum is 46.

The spelling of 1003435491745 in words is "one trillion, three billion, four hundred thirty-five million, four hundred ninety-one thousand, seven hundred forty-five".