381353378835 has 256 divisors, whose sum is σ = 771630612480. Its totient is φ = 158070528000.

The previous prime is 381353378827. The next prime is 381353378963. The reversal of 381353378835 is 538873353183.

It is not a de Polignac number, because 381353378835 - 2³ = 381353378827 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57).

Its product of digits (21772800) is a multiple of the sum of its prime divisors (1050).

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 524557242 + ... + 524557968.

It is an arithmetic number, because the mean of its divisors is an integer number (3014182080).

Almost surely, 2^381353378835 is an apocalyptic number.

381353378835 is an abundant number, since it is smaller than the sum of its proper divisors (390277233645).

381353378835 is a wasteful number, since it uses less digits than its factorization.

381353378835 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1050.

The product of its digits is 21772800, while the sum is 57.

The spelling of 381353378835 in words is "three hundred eighty-one billion, three hundred fifty-three million, three hundred seventy-eight thousand, eight hundred thirty-five".