444051323150381 has 2 divisors, whose sum is σ = 444051323150382. Its totient is φ = 444051323150380.

The previous prime is 444051323150341. The next prime is 444051323150473. The reversal of 444051323150381 is 183051323150444.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 400719923640100 + 43331399510281 = 20017990^2 + 6582659^2 .

It is a cyclic number.

It is not a de Polignac number, because 444051323150381 - 2¹⁴ = 444051323133997 is a prime.

It is a super-2 number, since 2×444051323150381² (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 (444051323150341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222025661575190 + 222025661575191.

It is an arithmetic number, because the mean of its divisors is an integer number (222025661575191).

Almost surely, 2^{444051323150381} is an apocalyptic number.

It is an amenable number.

444051323150381 is a deficient number, since it is larger than the sum of its proper divisors (1).

444051323150381 is an equidigital number, since it uses as much as digits as its factorization.

444051323150381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 691200, while the sum is 44.

The spelling of 444051323150381 in words is "four hundred forty-four trillion, fifty-one billion, three hundred twenty-three million, one hundred fifty thousand, three hundred eighty-one".