381551098671 has 10 divisors (see below), whose sum is σ = 569971394432. Its totient is φ = 254367399060.

The previous prime is 381551098631. The next prime is 381551098679. The reversal of 381551098671 is 176890155183.

It is a happy number.

381551098671 is a `hidden beast` number, since 3 + 8 + 1 + 551 + 0 + 9 + 86 + 7 + 1 = 666.

It is not a de Polignac number, because 381551098671 - 2³⁵ = 347191360303 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 (381551098679) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2355253615 + ... + 2355253776.

Almost surely, 2^381551098671 is an apocalyptic number.

381551098671 is a deficient number, since it is larger than the sum of its proper divisors (188420295761).

381551098671 is an equidigital number, since it uses as much as digits as its factorization.

381551098671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4710507403 (or 4710507394 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 54.

The spelling of 381551098671 in words is "three hundred eighty-one billion, five hundred fifty-one million, ninety-eight thousand, six hundred seventy-one".