1479998828881 has 4 divisors (see below), whose sum is σ = 1489425573172. Its totient is φ = 1470572084592.

The previous prime is 1479998828879. The next prime is 1479998828909. The reversal of 1479998828881 is 1888288999741.

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

It can be written as a sum of positive squares in 2 ways, for example, as 439813017856 + 1040185811025 = 663184^2 + 1019895^2 .

It is a cyclic number.

It is not a de Polignac number, because 1479998828881 - 2¹ = 1479998828879 is a prime.

It is a super-2 number, since 2×1479998828881² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1479998828795 and 1479998828804.

It is not an unprimeable number, because it can be changed into a prime (1479998828281) 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, 4713371910 + ... + 4713372223.

It is an arithmetic number, because the mean of its divisors is an integer number (372356393293).

Almost surely, 2^{1479998828881} is an apocalyptic number.

It is an amenable number.

1479998828881 is a deficient number, since it is larger than the sum of its proper divisors (9426744291).

1479998828881 is an equidigital number, since it uses as much as digits as its factorization.

1479998828881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9426744290.

The product of its digits is 1337720832, while the sum is 82.

The spelling of 1479998828881 in words is "one trillion, four hundred seventy-nine billion, nine hundred ninety-eight million, eight hundred twenty-eight thousand, eight hundred eighty-one".