1485289492638 has 64 divisors (see below), whose sum is σ = 3511687641600. Its totient is φ = 418555118016.

The previous prime is 1485289492619. The next prime is 1485289492639. The reversal of 1485289492638 is 8362949825841.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1485289492639) 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 31 ways as a sum of consecutive naturals, for example, 4793020 + ... + 5093487.

It is an arithmetic number, because the mean of its divisors is an integer number (54870119400).

Almost surely, 2^{1485289492638} is an apocalyptic number.

1485289492638 is an abundant number, since it is smaller than the sum of its proper divisors (2026398148962).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1485289492638 is an equidigital number, since it uses as much as digits as its factorization.

1485289492638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9886606 (or 9886592 counting only the distinct ones).

The product of its digits is 238878720, while the sum is 69.

The spelling of 1485289492638 in words is "one trillion, four hundred eighty-five billion, two hundred eighty-nine million, four hundred ninety-two thousand, six hundred thirty-eight".