381322197910 has 16 divisors (see below), whose sum is σ = 686388524400. Its totient is φ = 152526975136.

The previous prime is 381322197889. The next prime is 381322197923. The reversal of 381322197910 is 19791223183.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 832356 + ... + 1206424.

It is an arithmetic number, because the mean of its divisors is an integer number (42899282775).

Almost surely, 2^381322197910 is an apocalyptic number.

381322197910 is a deficient number, since it is larger than the sum of its proper divisors (305066326490).

381322197910 is a wasteful number, since it uses less digits than its factorization.

381322197910 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476015.

The product of its (nonzero) digits is 163296, while the sum is 46.

The spelling of 381322197910 in words is "three hundred eighty-one billion, three hundred twenty-two million, one hundred ninety-seven thousand, nine hundred ten".