913313444401 has 4 divisors (see below), whose sum is σ = 913353927412. Its totient is φ = 913272961392.

The previous prime is 913313444359. The next prime is 913313444443. The reversal of 913313444401 is 104444313319.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 104444313319 = 2083 ⋅50141293.

It is an interprime number because it is at equal distance from previous prime (913313444359) and next prime (913313444443).

It can be written as a sum of positive squares in 2 ways, for example, as 396898740001 + 516414704400 = 629999^2 + 718620^2 .

It is a cyclic number.

It is not a de Polignac number, because 913313444401 - 2¹⁷ = 913313313329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (913310444401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20207646 + ... + 20252791.

It is an arithmetic number, because the mean of its divisors is an integer number (228338481853).

Almost surely, 2^913313444401 is an apocalyptic number.

It is an amenable number.

913313444401 is a deficient number, since it is larger than the sum of its proper divisors (40483011).

913313444401 is a wasteful number, since it uses less digits than its factorization.

913313444401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40483010.

The product of its (nonzero) digits is 62208, while the sum is 37.

The spelling of 913313444401 in words is "nine hundred thirteen billion, three hundred thirteen million, four hundred forty-four thousand, four hundred one".