1076381869 has 2 divisors, whose sum is σ = 1076381870. Its totient is φ = 1076381868.

The previous prime is 1076381851. The next prime is 1076381881. The reversal of 1076381869 is 9681836701.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 632774025 + 443607844 = 25155^2 + 21062^2 .

It is a cyclic number.

It is not a de Polignac number, because 1076381869 - 2²⁵ = 1042827437 is a prime.

It is a super-2 number, since 2×1076381869² = 2317195855823866322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1076381069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 538190934 + 538190935.

It is an arithmetic number, because the mean of its divisors is an integer number (538190935).

Almost surely, 2^1076381869 is an apocalyptic number.

It is an amenable number.

1076381869 is a deficient number, since it is larger than the sum of its proper divisors (1).

1076381869 is an equidigital number, since it uses as much as digits as its factorization.

1076381869 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 435456, while the sum is 49.

The square root of 1076381869 is about 32808.2591583278. The cubic root of 1076381869 is about 1024.8385608127.

The spelling of 1076381869 in words is "one billion, seventy-six million, three hundred eighty-one thousand, eight hundred sixty-nine".