1471440244457 has 2 divisors, whose sum is σ = 1471440244458. Its totient is φ = 1471440244456.

The previous prime is 1471440244433. The next prime is 1471440244489. The reversal of 1471440244457 is 7544420441741.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1159388409001 + 312051835456 = 1076749^2 + 558616^2 .

It is an emirp because it is prime and its reverse (7544420441741) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1471440244457 - 2¹⁴ = 1471440228073 is a prime.

It is not a weakly prime, because it can be changed into another prime (1471440244357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 735720122228 + 735720122229.

It is an arithmetic number, because the mean of its divisors is an integer number (735720122229).

Almost surely, 2^{1471440244457} is an apocalyptic number.

It is an amenable number.

1471440244457 is a deficient number, since it is larger than the sum of its proper divisors (1).

1471440244457 is an equidigital number, since it uses as much as digits as its factorization.

1471440244457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2007040, while the sum is 47.

The spelling of 1471440244457 in words is "one trillion, four hundred seventy-one billion, four hundred forty million, two hundred forty-four thousand, four hundred fifty-seven".