381667293875 has 16 divisors (see below), whose sum is σ = 544366610112. Its totient is φ = 261714715200.

The previous prime is 381667293869. The next prime is 381667293881. The reversal of 381667293875 is 578392766183.

It is an interprime number because it is at equal distance from previous prime (381667293869) and next prime (381667293881).

It is not a de Polignac number, because 381667293875 - 2¹² = 381667289779 is a prime.

It is a super-2 number, since 2×381667293875² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 218094722 + ... + 218096471.

It is an arithmetic number, because the mean of its divisors is an integer number (34022913132).

Almost surely, 2^381667293875 is an apocalyptic number.

381667293875 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

381667293875 is a deficient number, since it is larger than the sum of its proper divisors (162699316237).

381667293875 is an equidigital number, since it uses as much as digits as its factorization.

381667293875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436191215 (or 436191205 counting only the distinct ones).

The product of its digits is 91445760, while the sum is 65.

The spelling of 381667293875 in words is "three hundred eighty-one billion, six hundred sixty-seven million, two hundred ninety-three thousand, eight hundred seventy-five".