1481244913569 has 8 divisors (see below), whose sum is σ = 1978416085600. Its totient is φ = 985785175296.

The previous prime is 1481244913567. The next prime is 1481244913583. The reversal of 1481244913569 is 9653194421841.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1481244913569 - 2¹ = 1481244913567 is a prime.

It is a super-2 number, since 2×1481244913569² (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 (1481244913567) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 427856419 + ... + 427859880.

It is an arithmetic number, because the mean of its divisors is an integer number (247302010700).

Almost surely, 2^{1481244913569} is an apocalyptic number.

It is an amenable number.

1481244913569 is a deficient number, since it is larger than the sum of its proper divisors (497171172031).

1481244913569 is an equidigital number, since it uses as much as digits as its factorization.

1481244913569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 855716879.

The product of its digits is 7464960, while the sum is 57.

The spelling of 1481244913569 in words is "one trillion, four hundred eighty-one billion, two hundred forty-four million, nine hundred thirteen thousand, five hundred sixty-nine".