381571235349 has 8 divisors (see below), whose sum is σ = 508813144320. Its totient is φ = 254355074976.

The previous prime is 381571235291. The next prime is 381571235477. The reversal of 381571235349 is 943532175183.

It is a happy number.

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

It is not a de Polignac number, because 381571235349 - 2⁸ = 381571235093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381571235249) 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, 6402544 + ... + 6461865.

It is an arithmetic number, because the mean of its divisors is an integer number (63601643040).

Almost surely, 2^381571235349 is an apocalyptic number.

It is an amenable number.

381571235349 is a deficient number, since it is larger than the sum of its proper divisors (127241908971).

381571235349 is a wasteful number, since it uses less digits than its factorization.

381571235349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12874299.

The product of its digits is 2721600, while the sum is 51.

The spelling of 381571235349 in words is "three hundred eighty-one billion, five hundred seventy-one million, two hundred thirty-five thousand, three hundred forty-nine".