381741654385 has 32 divisors (see below), whose sum is σ = 563885828352. Its totient is φ = 241594410240.

The previous prime is 381741654341. The next prime is 381741654389. The reversal of 381741654385 is 583456147183.

It is not a de Polignac number, because 381741654385 - 2²⁵ = 381708099953 is a prime.

It is a Smith number, since the sum of its digits (55) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (381741654389) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3234870 + ... + 3350800.

It is an arithmetic number, because the mean of its divisors is an integer number (17621432136).

Almost surely, 2^381741654385 is an apocalyptic number.

381741654385 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

381741654385 is a deficient number, since it is larger than the sum of its proper divisors (182144173967).

381741654385 is a wasteful number, since it uses less digits than its factorization.

381741654385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123193.

The product of its digits is 9676800, while the sum is 55.

The spelling of 381741654385 in words is "three hundred eighty-one billion, seven hundred forty-one million, six hundred fifty-four thousand, three hundred eighty-five".