443747429401 has 2 divisors, whose sum is σ = 443747429402. Its totient is φ = 443747429400.

The previous prime is 443747429287. The next prime is 443747429441. The reversal of 443747429401 is 104924747344.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 437741024400 + 6006405001 = 661620^2 + 77501^2 .

It is a cyclic number.

It is not a de Polignac number, because 443747429401 - 2²³ = 443739040793 is a prime.

It is not a weakly prime, because it can be changed into another prime (443747429441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221873714700 + 221873714701.

It is an arithmetic number, because the mean of its divisors is an integer number (221873714701).

Almost surely, 2^443747429401 is an apocalyptic number.

It is an amenable number.

443747429401 is a deficient number, since it is larger than the sum of its proper divisors (1).

443747429401 is an equidigital number, since it uses as much as digits as its factorization.

443747429401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2709504, while the sum is 49.

The spelling of 443747429401 in words is "four hundred forty-three billion, seven hundred forty-seven million, four hundred twenty-nine thousand, four hundred one".