339243520487 has 4 divisors (see below), whose sum is σ = 347517752736. Its totient is φ = 330969288240.

The previous prime is 339243520477. The next prime is 339243520507. The reversal of 339243520487 is 784025342933.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-339243520487 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (339243520477) 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, 4137116063 + ... + 4137116144.

It is an arithmetic number, because the mean of its divisors is an integer number (86879438184).

Almost surely, 2^339243520487 is an apocalyptic number.

339243520487 is a deficient number, since it is larger than the sum of its proper divisors (8274232249).

339243520487 is an equidigital number, since it uses as much as digits as its factorization.

339243520487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8274232248.

The product of its (nonzero) digits is 4354560, while the sum is 50.

The spelling of 339243520487 in words is "three hundred thirty-nine billion, two hundred forty-three million, five hundred twenty thousand, four hundred eighty-seven".