1609311400703 has 12 divisors (see below), whose sum is σ = 1726577614440. Its totient is φ = 1495844509536.

The previous prime is 1609311400691. The next prime is 1609311400727. The reversal of 1609311400703 is 3070041139061.

It is a happy number.

It is not a de Polignac number, because 1609311400703 - 2⁶ = 1609311400639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1609311400003) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15023276 + ... + 15130017.

It is an arithmetic number, because the mean of its divisors is an integer number (143881467870).

Almost surely, 2^{1609311400703} is an apocalyptic number.

1609311400703 is a deficient number, since it is larger than the sum of its proper divisors (117266213737).

1609311400703 is an equidigital number, since it uses as much as digits as its factorization.

1609311400703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30153418 (or 30153365 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 35.

Adding to 1609311400703 its reverse (3070041139061), we get a palindrome (4679352539764).

The spelling of 1609311400703 in words is "one trillion, six hundred nine billion, three hundred eleven million, four hundred thousand, seven hundred three".