348657540471381 has 4 divisors (see below), whose sum is σ = 464876720628512. Its totient is φ = 232438360314252.

The previous prime is 348657540471379. The next prime is 348657540471437. The reversal of 348657540471381 is 183174045756843.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 348657540471381 - 2¹ = 348657540471379 is a prime.

It is a super-2 number, since 2×348657540471381² (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 (348657540471341) 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 3 ways as a sum of consecutive naturals, for example, 58109590078561 + ... + 58109590078566.

It is an arithmetic number, because the mean of its divisors is an integer number (116219180157128).

Almost surely, 2^{348657540471381} is an apocalyptic number.

It is an amenable number.

348657540471381 is a deficient number, since it is larger than the sum of its proper divisors (116219180157131).

348657540471381 is a wasteful number, since it uses less digits than its factorization.

348657540471381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116219180157130.

The product of its (nonzero) digits is 270950400, while the sum is 66.

The spelling of 348657540471381 in words is "three hundred forty-eight trillion, six hundred fifty-seven billion, five hundred forty million, four hundred seventy-one thousand, three hundred eighty-one".