1026340379 has 2 divisors, whose sum is σ = 1026340380. Its totient is φ = 1026340378.

The previous prime is 1026340369. The next prime is 1026340451. The reversal of 1026340379 is 9730436201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1026340379 - 2²⁸ = 757904923 is a prime.

It is not a weakly prime, because it can be changed into another prime (1026340369) 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, 513170189 + 513170190.

It is an arithmetic number, because the mean of its divisors is an integer number (513170190).

Almost surely, 2^1026340379 is an apocalyptic number.

1026340379 is a deficient number, since it is larger than the sum of its proper divisors (1).

1026340379 is an equidigital number, since it uses as much as digits as its factorization.

1026340379 is an odious number, because the sum of its binary digits is odd.

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

The square root of 1026340379 is about 32036.5475511953. The cubic root of 1026340379 is about 1008.7041443890.

The spelling of 1026340379 in words is "one billion, twenty-six million, three hundred forty thousand, three hundred seventy-nine".