1466349441457 has 4 divisors (see below), whose sum is σ = 1466426285056. Its totient is φ = 1466272597860.

The previous prime is 1466349441451. The next prime is 1466349441463. The reversal of 1466349441457 is 7541449436641.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (1466349441451) and next prime (1466349441463).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1466349441457 is a prime.

It is a super-2 number, since 2×1466349441457² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1466349441451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38393169 + ... + 38431342.

It is an arithmetic number, because the mean of its divisors is an integer number (366606571264).

Almost surely, 2^{1466349441457} is an apocalyptic number.

It is an amenable number.

1466349441457 is a deficient number, since it is larger than the sum of its proper divisors (76843599).

1466349441457 is an equidigital number, since it uses as much as digits as its factorization.

1466349441457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76843598.

The product of its digits is 34836480, while the sum is 58.

The spelling of 1466349441457 in words is "one trillion, four hundred sixty-six billion, three hundred forty-nine million, four hundred forty-one thousand, four hundred fifty-seven".