381163373 has 4 divisors (see below), whose sum is σ = 389273280. Its totient is φ = 373053468.

The previous prime is 381163369. The next prime is 381163379. The reversal of 381163373 is 373361183.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 373361183 = 13 ⋅28720091.

It is a cyclic number.

It is not a de Polignac number, because 381163373 - 2² = 381163369 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 (381163379) 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, 4054883 + ... + 4054976.

It is an arithmetic number, because the mean of its divisors is an integer number (97318320).

Almost surely, 2^381163373 is an apocalyptic number.

It is an amenable number.

381163373 is a deficient number, since it is larger than the sum of its proper divisors (8109907).

381163373 is an equidigital number, since it uses as much as digits as its factorization.

381163373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8109906.

The product of its digits is 27216, while the sum is 35.

The square root of 381163373 is about 19523.4057735837. The cubic root of 381163373 is about 725.0540573248.

The spelling of 381163373 in words is "three hundred eighty-one million, one hundred sixty-three thousand, three hundred seventy-three".