1441457468491 has 2 divisors, whose sum is σ = 1441457468492. Its totient is φ = 1441457468490.

The previous prime is 1441457468453. The next prime is 1441457468501. The reversal of 1441457468491 is 1948647541441.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1441457468491 - 2²¹ = 1441455371339 is a prime.

It is not a weakly prime, because it can be changed into another prime (1441457468411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 720728734245 + 720728734246.

It is an arithmetic number, because the mean of its divisors is an integer number (720728734246).

Almost surely, 2^{1441457468491} is an apocalyptic number.

1441457468491 is a deficient number, since it is larger than the sum of its proper divisors (1).

1441457468491 is an equidigital number, since it uses as much as digits as its factorization.

1441457468491 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15482880, while the sum is 58.

The spelling of 1441457468491 in words is "one trillion, four hundred forty-one billion, four hundred fifty-seven million, four hundred sixty-eight thousand, four hundred ninety-one".