1350354989 has 2 divisors, whose sum is σ = 1350354990. Its totient is φ = 1350354988.

The previous prime is 1350354919. The next prime is 1350354991. The reversal of 1350354989 is 9894530531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1023360100 + 326994889 = 31990^2 + 18083^2 .

It is an emirp because it is prime and its reverse (9894530531) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1350354989 - 2¹² = 1350350893 is a prime.

Together with 1350354991, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1350354919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 675177494 + 675177495.

It is an arithmetic number, because the mean of its divisors is an integer number (675177495).

Almost surely, 2^1350354989 is an apocalyptic number.

It is an amenable number.

1350354989 is a deficient number, since it is larger than the sum of its proper divisors (1).

1350354989 is an equidigital number, since it uses as much as digits as its factorization.

1350354989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 583200, while the sum is 47.

The square root of 1350354989 is about 36747.1766126324. The cubic root of 1350354989 is about 1105.3063144843.

The spelling of 1350354989 in words is "one billion, three hundred fifty million, three hundred fifty-four thousand, nine hundred eighty-nine".