1356879919 has 2 divisors, whose sum is σ = 1356879920. Its totient is φ = 1356879918.

The previous prime is 1356879893. The next prime is 1356879929. The reversal of 1356879919 is 9199786531.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1356879919 - 2¹¹ = 1356877871 is a prime.

It is a super-2 number, since 2×1356879919² = 3682246229170893122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1356879929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 678439959 + 678439960.

It is an arithmetic number, because the mean of its divisors is an integer number (678439960).

Almost surely, 2^1356879919 is an apocalyptic number.

1356879919 is a deficient number, since it is larger than the sum of its proper divisors (1).

1356879919 is an equidigital number, since it uses as much as digits as its factorization.

1356879919 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3674160, while the sum is 58.

The square root of 1356879919 is about 36835.8510014361. The cubic root of 1356879919 is about 1107.0837387526.

The spelling of 1356879919 in words is "one billion, three hundred fifty-six million, eight hundred seventy-nine thousand, nine hundred nineteen".