381076247169 has 12 divisors (see below), whose sum is σ = 551123878500. Its totient is φ = 253736795904.

The previous prime is 381076247143. The next prime is 381076247171. The reversal of 381076247169 is 961742670183.

381076247169 is a `hidden beast` number, since 3 + 8 + 1 + 0 + 7 + 624 + 7 + 1 + 6 + 9 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 257672988225 + 123403258944 = 507615^2 + 351288^2 .

It is not a de Polignac number, because 381076247169 - 2³⁶ = 312356770433 is a prime.

It is a super-2 number, since 2×381076247169² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (381076247969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26161944 + ... + 26176505.

It is an arithmetic number, because the mean of its divisors is an integer number (45926989875).

Almost surely, 2^381076247169 is an apocalyptic number.

It is an amenable number.

381076247169 is a deficient number, since it is larger than the sum of its proper divisors (170047631331).

381076247169 is a wasteful number, since it uses less digits than its factorization.

381076247169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52339264 (or 52339261 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 54.

The spelling of 381076247169 in words is "three hundred eighty-one billion, seventy-six million, two hundred forty-seven thousand, one hundred sixty-nine".