381513994395 has 16 divisors (see below), whose sum is σ = 630113436672. Its totient is φ = 196910448480.

The previous prime is 381513994361. The next prime is 381513994447. The reversal of 381513994395 is 593499315183.

It is not a de Polignac number, because 381513994395 - 2¹¹ = 381513992347 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 410229637 + ... + 410230566.

It is an arithmetic number, because the mean of its divisors is an integer number (39382089792).

Almost surely, 2^381513994395 is an apocalyptic number.

381513994395 is a deficient number, since it is larger than the sum of its proper divisors (248599442277).

381513994395 is a wasteful number, since it uses less digits than its factorization.

381513994395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 820460242.

The product of its digits is 15746400, while the sum is 60.

The spelling of 381513994395 in words is "three hundred eighty-one billion, five hundred thirteen million, nine hundred ninety-four thousand, three hundred ninety-five".