348936393991 has 8 divisors (see below), whose sum is σ = 355532451120. Its totient is φ = 342340794432.

The previous prime is 348936393977. The next prime is 348936394013. The reversal of 348936393991 is 199393639843.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 348936393991 - 2¹⁹ = 348935869703 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 (348936393931) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1692276 + ... + 1887238.

It is an arithmetic number, because the mean of its divisors is an integer number (44441556390).

Almost surely, 2^348936393991 is an apocalyptic number.

348936393991 is a deficient number, since it is larger than the sum of its proper divisors (6596057129).

348936393991 is a wasteful number, since it uses less digits than its factorization.

348936393991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228785.

The product of its digits is 102036672, while the sum is 67.

The spelling of 348936393991 in words is "three hundred forty-eight billion, nine hundred thirty-six million, three hundred ninety-three thousand, nine hundred ninety-one".