439518620947 has 16 divisors (see below), whose sum is σ = 503847594432. Its totient is φ = 375576566400.

The previous prime is 439518620917. The next prime is 439518620969. The reversal of 439518620947 is 749026815934.

It is not a de Polignac number, because 439518620947 - 2¹⁹ = 439518096659 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 439518620891 and 439518620900.

It is not an unprimeable number, because it can be changed into a prime (439518620917) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2934933 + ... + 3081049.

It is an arithmetic number, because the mean of its divisors is an integer number (31490474652).

It is a 1-persistent number, because it is pandigital, but 2⋅439518620947 = 879037241894 is not.

Almost surely, 2^439518620947 is an apocalyptic number.

439518620947 is a deficient number, since it is larger than the sum of its proper divisors (64328973485).

439518620947 is a wasteful number, since it uses less digits than its factorization.

439518620947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147438.

The product of its (nonzero) digits is 13063680, while the sum is 58.

The spelling of 439518620947 in words is "four hundred thirty-nine billion, five hundred eighteen million, six hundred twenty thousand, nine hundred forty-seven".