348742668639 has 16 divisors (see below), whose sum is σ = 474609404160. Its totient is φ = 227734351680.

The previous prime is 348742668623. The next prime is 348742668641. The reversal of 348742668639 is 936866247843.

It is not a de Polignac number, because 348742668639 - 2⁴ = 348742668623 is a prime.

It is a super-2 number, since 2×348742668639² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 348742668639.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (348742660639) 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, 6074947 + ... + 6132084.

It is an arithmetic number, because the mean of its divisors is an integer number (29663087760).

Almost surely, 2^348742668639 is an apocalyptic number.

348742668639 is a deficient number, since it is larger than the sum of its proper divisors (125866735521).

348742668639 is a wasteful number, since it uses less digits than its factorization.

348742668639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12207230.

The product of its digits is 250822656, while the sum is 66.

The spelling of 348742668639 in words is "three hundred forty-eight billion, seven hundred forty-two million, six hundred sixty-eight thousand, six hundred thirty-nine".