381437725843 has 8 divisors (see below), whose sum is σ = 382137367040. Its totient is φ = 380738196360.

The previous prime is 381437725831. The next prime is 381437725861. The reversal of 381437725843 is 348527734183.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-381437725843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (381437725043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10167346 + ... + 10204792.

It is an arithmetic number, because the mean of its divisors is an integer number (47767170880).

Almost surely, 2^381437725843 is an apocalyptic number.

381437725843 is a deficient number, since it is larger than the sum of its proper divisors (699641197).

381437725843 is a wasteful number, since it uses less digits than its factorization.

381437725843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55857.

The product of its digits is 13547520, while the sum is 55.

The spelling of 381437725843 in words is "three hundred eighty-one billion, four hundred thirty-seven million, seven hundred twenty-five thousand, eight hundred forty-three".