1013744309 has 4 divisors (see below), whose sum is σ = 1014836460. Its totient is φ = 1012652160.

The previous prime is 1013744261. The next prime is 1013744351. The reversal of 1013744309 is 9034473101.

1013744309 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9034473101 = 79 ⋅114360419.

It can be written as a sum of positive squares in 2 ways, for example, as 248945284 + 764799025 = 15778^2 + 27655^2 .

It is a cyclic number.

It is not a de Polignac number, because 1013744309 - 2¹² = 1013740213 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 (1013744209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 544682 + ... + 546539.

It is an arithmetic number, because the mean of its divisors is an integer number (253709115).

Almost surely, 2^1013744309 is an apocalyptic number.

It is an amenable number.

1013744309 is a deficient number, since it is larger than the sum of its proper divisors (1092151).

1013744309 is an equidigital number, since it uses as much as digits as its factorization.

1013744309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1092150.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 1013744309 is about 31839.3515794527. The cubic root of 1013744309 is about 1004.5606055911.

The spelling of 1013744309 in words is "one billion, thirteen million, seven hundred forty-four thousand, three hundred nine".