444414536131 has 4 divisors (see below), whose sum is σ = 452799716112. Its totient is φ = 436029356152.

The previous prime is 444414536101. The next prime is 444414536143. The reversal of 444414536131 is 131635414444.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 444414536131 - 2⁵ = 444414536099 is a prime.

It is a super-2 number, since 2×444414536131² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (444414536101) 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, 4192589911 + ... + 4192590016.

It is an arithmetic number, because the mean of its divisors is an integer number (113199929028).

Almost surely, 2^444414536131 is an apocalyptic number.

444414536131 is a deficient number, since it is larger than the sum of its proper divisors (8385179981).

444414536131 is an equidigital number, since it uses as much as digits as its factorization.

444414536131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8385179980.

The product of its digits is 276480, while the sum is 40.

The spelling of 444414536131 in words is "four hundred forty-four billion, four hundred fourteen million, five hundred thirty-six thousand, one hundred thirty-one".