381652443215 has 8 divisors (see below), whose sum is σ = 463780184640. Its totient is φ = 301457119392.

The previous prime is 381652443191. The next prime is 381652443217. The reversal of 381652443215 is 512344256183.

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

It is a cyclic number.

It is not a de Polignac number, because 381652443215 - 2²² = 381648248911 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381652443217) 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, 483103964 + ... + 483104753.

It is an arithmetic number, because the mean of its divisors is an integer number (57972523080).

Almost surely, 2^381652443215 is an apocalyptic number.

381652443215 is a deficient number, since it is larger than the sum of its proper divisors (82127741425).

381652443215 is an equidigital number, since it uses as much as digits as its factorization.

381652443215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 966208801.

The product of its digits is 691200, while the sum is 44.

Adding to 381652443215 its reverse (512344256183), we get a palindrome (893996699398).

The spelling of 381652443215 in words is "three hundred eighty-one billion, six hundred fifty-two million, four hundred forty-three thousand, two hundred fifteen".