444534134015437 has 2 divisors, whose sum is σ = 444534134015438. Its totient is φ = 444534134015436.

The previous prime is 444534134015401. The next prime is 444534134015453. The reversal of 444534134015437 is 734510431435444.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 442014504787881 + 2519629227556 = 21024141^2 + 1587334^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-444534134015437 is a prime.

It is a super-2 number, since 2×444534134015437² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (444534134015137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222267067007718 + 222267067007719.

It is an arithmetic number, because the mean of its divisors is an integer number (222267067007719).

Almost surely, 2^{444534134015437} is an apocalyptic number.

It is an amenable number.

444534134015437 is a deficient number, since it is larger than the sum of its proper divisors (1).

444534134015437 is an equidigital number, since it uses as much as digits as its factorization.

444534134015437 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19353600, while the sum is 52.

The spelling of 444534134015437 in words is "four hundred forty-four trillion, five hundred thirty-four billion, one hundred thirty-four million, fifteen thousand, four hundred thirty-seven".