1481332593639 has 4 divisors (see below), whose sum is σ = 1975110124856. Its totient is φ = 987555062424.

The previous prime is 1481332593607. The next prime is 1481332593649. The reversal of 1481332593639 is 9363952331841.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1481332593639 - 2⁵ = 1481332593607 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 (1481332593649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 246888765604 + ... + 246888765609.

It is an arithmetic number, because the mean of its divisors is an integer number (493777531214).

Almost surely, 2^{1481332593639} is an apocalyptic number.

1481332593639 is a deficient number, since it is larger than the sum of its proper divisors (493777531217).

1481332593639 is an equidigital number, since it uses as much as digits as its factorization.

1481332593639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493777531216.

The product of its digits is 12597120, while the sum is 57.

The spelling of 1481332593639 in words is "one trillion, four hundred eighty-one billion, three hundred thirty-two million, five hundred ninety-three thousand, six hundred thirty-nine".