348535532971639 has 16 divisors (see below), whose sum is σ = 379572788145600. Its totient is φ = 318102290770176.

The previous prime is 348535532971627. The next prime is 348535532971699. The reversal of 348535532971639 is 936179235535843.

It is a cyclic number.

It is not a de Polignac number, because 348535532971639 - 2¹⁷ = 348535532840567 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 (348535532971699) 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, 42943357 + ... + 50410345.

It is an arithmetic number, because the mean of its divisors is an integer number (23723299259100).

Almost surely, 2^{348535532971639} is an apocalyptic number.

348535532971639 is a deficient number, since it is larger than the sum of its proper divisors (31037255173961).

348535532971639 is a wasteful number, since it uses less digits than its factorization.

348535532971639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7507434.

The product of its digits is 2204496000, while the sum is 73.

The spelling of 348535532971639 in words is "three hundred forty-eight trillion, five hundred thirty-five billion, five hundred thirty-two million, nine hundred seventy-one thousand, six hundred thirty-nine".