769000381 has 2 divisors, whose sum is σ = 769000382. Its totient is φ = 769000380.

The previous prime is 769000363. The next prime is 769000391. The reversal of 769000381 is 183000967.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 459416356 + 309584025 = 21434^2 + 17595^2 .

It is a cyclic number.

It is not a de Polignac number, because 769000381 - 2²¹ = 766903229 is a prime.

It is a super-2 number, since 2×769000381² = 1182723171956290322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (769000301) 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 as a sum of consecutive naturals, namely, 384500190 + 384500191.

It is an arithmetic number, because the mean of its divisors is an integer number (384500191).

Almost surely, 2^769000381 is an apocalyptic number.

It is an amenable number.

769000381 is a deficient number, since it is larger than the sum of its proper divisors (1).

769000381 is an equidigital number, since it uses as much as digits as its factorization.

769000381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 769000381 is about 27730.8561173289. The cubic root of 769000381 is about 916.1688431822.

The spelling of 769000381 in words is "seven hundred sixty-nine million, three hundred eighty-one", and thus it is an aban number.