1481421799 has 32 divisors (see below), whose sum is σ = 1831314240. Its totient is φ = 1179878400.

The previous prime is 1481421793. The next prime is 1481421817. The reversal of 1481421799 is 9971241841.

It is a cyclic number.

It is not a de Polignac number, because 1481421799 - 2⁷ = 1481421671 is a prime.

It is a super-2 number, since 2×1481421799² = 4389221093104792802, which contains 22 as substring.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1481421793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 213517 + ... + 220345.

It is an arithmetic number, because the mean of its divisors is an integer number (57228570).

Almost surely, 2^1481421799 is an apocalyptic number.

1481421799 is a deficient number, since it is larger than the sum of its proper divisors (349892441).

1481421799 is a wasteful number, since it uses less digits than its factorization.

1481421799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6931.

The product of its digits is 145152, while the sum is 46.

The square root of 1481421799 is about 38489.2426399897. The cubic root of 1481421799 is about 1139.9686559044.

It can be divided in two parts, 148142 and 1799, that added together give a palindrome (149941).

The spelling of 1481421799 in words is "one billion, four hundred eighty-one million, four hundred twenty-one thousand, seven hundred ninety-nine".