1478255269983 has 4 divisors (see below), whose sum is σ = 1971007026648. Its totient is φ = 985503513320.

The previous prime is 1478255269969. The next prime is 1478255269987. The reversal of 1478255269983 is 3899625528741.

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

It is a cyclic number.

It is not a de Polignac number, because 1478255269983 - 2⁹ = 1478255269471 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1478255269987) 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, 246375878328 + ... + 246375878333.

It is an arithmetic number, because the mean of its divisors is an integer number (492751756662).

Almost surely, 2^{1478255269983} is an apocalyptic number.

1478255269983 is a deficient number, since it is larger than the sum of its proper divisors (492751756665).

1478255269983 is an equidigital number, since it uses as much as digits as its factorization.

1478255269983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 492751756664.

The product of its digits is 261273600, while the sum is 69.

The spelling of 1478255269983 in words is "one trillion, four hundred seventy-eight billion, two hundred fifty-five million, two hundred sixty-nine thousand, nine hundred eighty-three".