444232053013 has 4 divisors (see below), whose sum is σ = 507693774880. Its totient is φ = 380770331148.

The previous prime is 444232052933. The next prime is 444232053017. The reversal of 444232053013 is 310350232444.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 444232053013 - 2²⁵ = 444198498581 is a prime.

It is a super-4 number, since 4×444232053013⁴ (a number of 48 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444232053017) 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, 31730860923 + ... + 31730860936.

It is an arithmetic number, because the mean of its divisors is an integer number (126923443720).

Almost surely, 2^444232053013 is an apocalyptic number.

It is an amenable number.

444232053013 is a deficient number, since it is larger than the sum of its proper divisors (63461721867).

444232053013 is an equidigital number, since it uses as much as digits as its factorization.

444232053013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63461721866.

The product of its (nonzero) digits is 34560, while the sum is 31.

Adding to 444232053013 its reverse (310350232444), we get a palindrome (754582285457).

The spelling of 444232053013 in words is "four hundred forty-four billion, two hundred thirty-two million, fifty-three thousand, thirteen".