348936393990 has 16 divisors (see below), whose sum is σ = 837447345648. Its totient is φ = 93049705056.

The previous prime is 348936393977. The next prime is 348936394013. The reversal of 348936393990 is 99393639843.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5815606537 + ... + 5815606596.

It is an arithmetic number, because the mean of its divisors is an integer number (52340459103).

Almost surely, 2^348936393990 is an apocalyptic number.

348936393990 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

348936393990 is an abundant number, since it is smaller than the sum of its proper divisors (488510951658).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

348936393990 is a wasteful number, since it uses less digits than its factorization.

348936393990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11631213143.

The product of its (nonzero) digits is 102036672, while the sum is 66.

The spelling of 348936393990 in words is "three hundred forty-eight billion, nine hundred thirty-six million, three hundred ninety-three thousand, nine hundred ninety".