1350559949 has 2 divisors, whose sum is σ = 1350559950. Its totient is φ = 1350559948.

The previous prime is 1350559927. The next prime is 1350560011. The reversal of 1350559949 is 9499550531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 744907849 + 605652100 = 27293^2 + 24610^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1350559949 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1350559897 and 1350559906.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1350552949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 675279974 + 675279975.

It is an arithmetic number, because the mean of its divisors is an integer number (675279975).

Almost surely, 2^1350559949 is an apocalyptic number.

It is an amenable number.

1350559949 is a deficient number, since it is larger than the sum of its proper divisors (1).

1350559949 is an equidigital number, since it uses as much as digits as its factorization.

1350559949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1093500, while the sum is 50.

The square root of 1350559949 is about 36749.9652925006. The cubic root of 1350559949 is about 1105.3622336372.

The spelling of 1350559949 in words is "one billion, three hundred fifty million, five hundred fifty-nine thousand, nine hundred forty-nine".