1448964467557 has 4 divisors (see below), whose sum is σ = 1453000580640. Its totient is φ = 1444928354476.

The previous prime is 1448964467549. The next prime is 1448964467563. The reversal of 1448964467557 is 7557644698441.

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 a cyclic number.

It is not a de Polignac number, because 1448964467557 - 2³ = 1448964467549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1448964467567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2018056003 + ... + 2018056720.

It is an arithmetic number, because the mean of its divisors is an integer number (363250145160).

Almost surely, 2^{1448964467557} is an apocalyptic number.

It is an amenable number.

1448964467557 is a deficient number, since it is larger than the sum of its proper divisors (4036113083).

1448964467557 is an equidigital number, since it uses as much as digits as its factorization.

1448964467557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4036113082.

The product of its digits is 812851200, while the sum is 70.

The spelling of 1448964467557 in words is "one trillion, four hundred forty-eight billion, nine hundred sixty-four million, four hundred sixty-seven thousand, five hundred fifty-seven".