444332410021949 has 2 divisors, whose sum is σ = 444332410021950. Its totient is φ = 444332410021948.

The previous prime is 444332410021931. The next prime is 444332410021957. The reversal of 444332410021949 is 949120014233444.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 443976800553049 + 355609468900 = 21070757^2 + 596330^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-444332410021949 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 444332410021897 and 444332410021906.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (444332410021249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222166205010974 + 222166205010975.

It is an arithmetic number, because the mean of its divisors is an integer number (222166205010975).

Almost surely, 2^{444332410021949} is an apocalyptic number.

It is an amenable number.

444332410021949 is a deficient number, since it is larger than the sum of its proper divisors (1).

444332410021949 is an equidigital number, since it uses as much as digits as its factorization.

444332410021949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2985984, while the sum is 50.

The spelling of 444332410021949 in words is "four hundred forty-four trillion, three hundred thirty-two billion, four hundred ten million, twenty-one thousand, nine hundred forty-nine".