348140642251 has 4 divisors (see below), whose sum is σ = 348143873904. Its totient is φ = 348137410600.

The previous prime is 348140642233. The next prime is 348140642279. The reversal of 348140642251 is 152246041843.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 348140642251 - 2¹⁵ = 348140609483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (348140642221) 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, 1448455 + ... + 1671616.

It is an arithmetic number, because the mean of its divisors is an integer number (87035968476).

Almost surely, 2^348140642251 is an apocalyptic number.

348140642251 is a deficient number, since it is larger than the sum of its proper divisors (3231653).

348140642251 is a wasteful number, since it uses less digits than its factorization.

348140642251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3231652.

The product of its (nonzero) digits is 184320, while the sum is 40.

The spelling of 348140642251 in words is "three hundred forty-eight billion, one hundred forty million, six hundred forty-two thousand, two hundred fifty-one".