445107335257553 has 4 divisors (see below), whose sum is σ = 449046338224548. Its totient is φ = 441168332290560.

The previous prime is 445107335257537. The next prime is 445107335257561. The reversal of 445107335257553 is 355752533701544.

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 161913231087169 + 283194104170384 = 12724513^2 + 16828372^2 .

It is a cyclic number.

It is not a de Polignac number, because 445107335257553 - 2⁴ = 445107335257537 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 445107335257492 and 445107335257501.

It is not an unprimeable number, because it can be changed into a prime (445107335257583) 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, 1969501483328 + ... + 1969501483553.

It is an arithmetic number, because the mean of its divisors is an integer number (112261584556137).

Almost surely, 2^{445107335257553} is an apocalyptic number.

It is an amenable number.

445107335257553 is a deficient number, since it is larger than the sum of its proper divisors (3939002966995).

445107335257553 is a wasteful number, since it uses less digits than its factorization.

445107335257553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3939002966994.

The product of its (nonzero) digits is 132300000, while the sum is 59.

The spelling of 445107335257553 in words is "four hundred forty-five trillion, one hundred seven billion, three hundred thirty-five million, two hundred fifty-seven thousand, five hundred fifty-three".