1364989679 has 2 divisors, whose sum is σ = 1364989680. Its totient is φ = 1364989678.

The previous prime is 1364989667. The next prime is 1364989699. The reversal of 1364989679 is 9769894631.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1364989679 - 2⁴ = 1364989663 is a prime.

It is a super-3 number, since 3×1364989679³ (a number of 28 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1364989699) 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, 682494839 + 682494840.

It is an arithmetic number, because the mean of its divisors is an integer number (682494840).

Almost surely, 2^1364989679 is an apocalyptic number.

1364989679 is a deficient number, since it is larger than the sum of its proper divisors (1).

1364989679 is an equidigital number, since it uses as much as digits as its factorization.

1364989679 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17635968, while the sum is 62.

The square root of 1364989679 is about 36945.7667263788. The cubic root of 1364989679 is about 1109.2849543514.

The spelling of 1364989679 in words is "one billion, three hundred sixty-four million, nine hundred eighty-nine thousand, six hundred seventy-nine".