381883515063607 has 4 divisors (see below), whose sum is σ = 381897513240336. Its totient is φ = 381869516886880.

The previous prime is 381883515063599. The next prime is 381883515063647. The reversal of 381883515063607 is 706360515388183.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 381883515063607 - 2³ = 381883515063599 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381883515063647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6999047443 + ... + 6999102004.

It is an arithmetic number, because the mean of its divisors is an integer number (95474378310084).

Almost surely, 2^{381883515063607} is an apocalyptic number.

381883515063607 is a deficient number, since it is larger than the sum of its proper divisors (13998176729).

381883515063607 is a wasteful number, since it uses less digits than its factorization.

381883515063607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13998176728.

The product of its (nonzero) digits is 87091200, while the sum is 64.

The spelling of 381883515063607 in words is "three hundred eighty-one trillion, eight hundred eighty-three billion, five hundred fifteen million, sixty-three thousand, six hundred seven".