439749794354 has 24 divisors (see below), whose sum is σ = 754609255428. Its totient is φ = 191022531840.

The previous prime is 439749794339. The next prime is 439749794359. The reversal of 439749794354 is 453497947934.

It can be written as a sum of positive squares in 6 ways, for example, as 273134800129 + 166614994225 = 522623^2 + 408185^2 .

It is not an unprimeable number, because it can be changed into a prime (439749794359) 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 11 ways as a sum of consecutive naturals, for example, 29254517 + ... + 29269544.

Almost surely, 2^439749794354 is an apocalyptic number.

439749794354 is a deficient number, since it is larger than the sum of its proper divisors (314859461074).

439749794354 is a wasteful number, since it uses less digits than its factorization.

439749794354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58524110 (or 58524093 counting only the distinct ones).

The product of its digits is 411505920, while the sum is 68.

The spelling of 439749794354 in words is "four hundred thirty-nine billion, seven hundred forty-nine million, seven hundred ninety-four thousand, three hundred fifty-four".