304769139481 has 3 divisors (see below), whose sum is σ = 304769691541. Its totient is φ = 304768587422.

The previous prime is 304769139457. The next prime is 304769139491. The reversal of 304769139481 is 184931967403.

The square root of 304769139481 is 552059.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 304769139481 - 2⁵ = 304769139449 is a prime.

It is a super-2 number, since 2×304769139481² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (304769139431) 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 2 ways as a sum of consecutive naturals, for example, 276030 + ... + 828088.

Almost surely, 2^304769139481 is an apocalyptic number.

304769139481 is the 552059-th square number.

304769139481 is the 276030-th centered octagonal number.

It is an amenable number.

304769139481 is a deficient number, since it is larger than the sum of its proper divisors (552060).

304769139481 is an frugal number, since it uses more digits than its factorization.

304769139481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1104118 (or 552059 counting only the distinct ones).

The product of its (nonzero) digits is 3919104, while the sum is 55.

The spelling of 304769139481 in words is "three hundred four billion, seven hundred sixty-nine million, one hundred thirty-nine thousand, four hundred eighty-one".