44216323631 has 2 divisors, whose sum is σ = 44216323632. Its totient is φ = 44216323630.

The previous prime is 44216323579. The next prime is 44216323687. The reversal of 44216323631 is 13632361244.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44216323631 is a prime.

It is a super-2 number, since 2×44216323631² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 44216323591 and 44216323600.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44216323831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22108161815 + 22108161816.

It is an arithmetic number, because the mean of its divisors is an integer number (22108161816).

Almost surely, 2^44216323631 is an apocalyptic number.

44216323631 is a deficient number, since it is larger than the sum of its proper divisors (1).

44216323631 is an equidigital number, since it uses as much as digits as its factorization.

44216323631 is an evil number, because the sum of its binary digits is even.

The product of its digits is 62208, while the sum is 35.

Adding to 44216323631 its reverse (13632361244), we get a palindrome (57848684875).

The spelling of 44216323631 in words is "forty-four billion, two hundred sixteen million, three hundred twenty-three thousand, six hundred thirty-one".