348661262720021 has 8 divisors (see below), whose sum is σ = 352047731929920. Its totient is φ = 345274820595072.

The previous prime is 348661262719943. The next prime is 348661262720047. The reversal of 348661262720021 is 120027262166843.

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

It is not a de Polignac number, because 348661262720021 - 2¹⁰ = 348661262718997 is a prime.

It is a super-2 number, since 2×348661262720021² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (348661268720021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19595750 + ... + 32883368.

It is an arithmetic number, because the mean of its divisors is an integer number (44005966491240).

Almost surely, 2^{348661262720021} is an apocalyptic number.

It is an amenable number.

348661262720021 is a deficient number, since it is larger than the sum of its proper divisors (3386469209899).

348661262720021 is a wasteful number, since it uses less digits than its factorization.

348661262720021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13542475.

The product of its (nonzero) digits is 2322432, while the sum is 50.

The spelling of 348661262720021 in words is "three hundred forty-eight trillion, six hundred sixty-one billion, two hundred sixty-two million, seven hundred twenty thousand, twenty-one".