445021411013 has 16 divisors (see below), whose sum is σ = 485483064000. Its totient is φ = 406316881152.

The previous prime is 445021410991. The next prime is 445021411033. The reversal of 445021411013 is 310114120544.

It is a de Polignac number, because none of the positive numbers 2^k-445021411013 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445021411033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 436868 + ... + 1039661.

It is an arithmetic number, because the mean of its divisors is an integer number (30342691500).

Almost surely, 2^445021411013 is an apocalyptic number.

It is an amenable number.

445021411013 is a deficient number, since it is larger than the sum of its proper divisors (40461652987).

445021411013 is a wasteful number, since it uses less digits than its factorization.

445021411013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1477124.

The product of its (nonzero) digits is 1920, while the sum is 26.

Adding to 445021411013 its reverse (310114120544), we get a palindrome (755135531557).

The spelling of 445021411013 in words is "four hundred forty-five billion, twenty-one million, four hundred eleven thousand, thirteen".