444813713357 has 4 divisors (see below), whose sum is σ = 479030152860. Its totient is φ = 410597273856.

The previous prime is 444813713321. The next prime is 444813713371. The reversal of 444813713357 is 753317318444.

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 177965015881 + 266848697476 = 421859^2 + 516574^2 .

It is a cyclic number.

It is not a de Polignac number, because 444813713357 - 2⁶ = 444813713293 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 (444813713317) 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, 17108219732 + ... + 17108219757.

It is an arithmetic number, because the mean of its divisors is an integer number (119757538215).

Almost surely, 2^444813713357 is an apocalyptic number.

It is an amenable number.

444813713357 is a deficient number, since it is larger than the sum of its proper divisors (34216439503).

444813713357 is a wasteful number, since it uses less digits than its factorization.

444813713357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34216439502.

The product of its digits is 3386880, while the sum is 50.

The spelling of 444813713357 in words is "four hundred forty-four billion, eight hundred thirteen million, seven hundred thirteen thousand, three hundred fifty-seven".