1373096491265 has 8 divisors (see below), whose sum is σ = 1664029807848. Its totient is φ = 1087601180800.

The previous prime is 1373096491253. The next prime is 1373096491267. The reversal of 1373096491265 is 5621946903731.

It is a Cunningham number, because it is equal to 1171792²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 494315861776 + 878780629489 = 703076^2 + 937433^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1373096491265 - 2⁸ = 1373096491009 is a prime.

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 1373096491265.

It is not an unprimeable number, because it can be changed into a prime (1373096491267) 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 7 ways as a sum of consecutive naturals, for example, 1359500972 + ... + 1359501981.

It is an arithmetic number, because the mean of its divisors is an integer number (208003725981).

Almost surely, 2^{1373096491265} is an apocalyptic number.

It is an amenable number.

1373096491265 is a deficient number, since it is larger than the sum of its proper divisors (290933316583).

1373096491265 is a wasteful number, since it uses less digits than its factorization.

1373096491265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2719003059.

The product of its (nonzero) digits is 7348320, while the sum is 56.

The spelling of 1373096491265 in words is "one trillion, three hundred seventy-three billion, ninety-six million, four hundred ninety-one thousand, two hundred sixty-five".