1356250101989 has 2 divisors, whose sum is σ = 1356250101990. Its totient is φ = 1356250101988.

The previous prime is 1356250101979. The next prime is 1356250102019. The reversal of 1356250101989 is 9891010526531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1341739972225 + 14510129764 = 1158335^2 + 120458^2 .

It is a cyclic number.

It is not a de Polignac number, because 1356250101989 - 2³⁶ = 1287530625253 is a prime.

It is a super-2 number, since 2×1356250101989² (a number of 25 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1356250101949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 678125050994 + 678125050995.

It is an arithmetic number, because the mean of its divisors is an integer number (678125050995).

Almost surely, 2^{1356250101989} is an apocalyptic number.

It is an amenable number.

1356250101989 is a deficient number, since it is larger than the sum of its proper divisors (1).

1356250101989 is an equidigital number, since it uses as much as digits as its factorization.

1356250101989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 583200, while the sum is 50.

The spelling of 1356250101989 in words is "one trillion, three hundred fifty-six billion, two hundred fifty million, one hundred one thousand, nine hundred eighty-nine".