1481233769 has 4 divisors (see below), whose sum is σ = 1481929044. Its totient is φ = 1480538496.

The previous prime is 1481233759. The next prime is 1481233799. The reversal of 1481233769 is 9673321841.

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 687121369 + 794112400 = 26213^2 + 28180^2 .

It is a cyclic number.

It is not a de Polignac number, because 1481233769 - 2¹⁶ = 1481168233 is a prime.

It is a super-2 number, since 2×1481233769² = 4388106956851890722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1481233759) 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, 344432 + ... + 348705.

It is an arithmetic number, because the mean of its divisors is an integer number (370482261).

Almost surely, 2^1481233769 is an apocalyptic number.

It is an amenable number.

1481233769 is a deficient number, since it is larger than the sum of its proper divisors (695275).

1481233769 is an equidigital number, since it uses as much as digits as its factorization.

1481233769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 695274.

The product of its digits is 217728, while the sum is 44.

The square root of 1481233769 is about 38486.7999319247. The cubic root of 1481233769 is about 1139.9204235518.

The spelling of 1481233769 in words is "one billion, four hundred eighty-one million, two hundred thirty-three thousand, seven hundred sixty-nine".