1364433949 has 2 divisors, whose sum is σ = 1364433950. Its totient is φ = 1364433948.

The previous prime is 1364433937. The next prime is 1364433979. The reversal of 1364433949 is 9493344631.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 994140900 + 370293049 = 31530^2 + 19243^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1364433949 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1364433899 and 1364433908.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1364433979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 682216974 + 682216975.

It is an arithmetic number, because the mean of its divisors is an integer number (682216975).

Almost surely, 2^1364433949 is an apocalyptic number.

It is an amenable number.

1364433949 is a deficient number, since it is larger than the sum of its proper divisors (1).

1364433949 is an equidigital number, since it uses as much as digits as its factorization.

1364433949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 839808, while the sum is 46.

The square root of 1364433949 is about 36938.2450720117. The cubic root of 1364433949 is about 1109.1343923809.

The spelling of 1364433949 in words is "one billion, three hundred sixty-four million, four hundred thirty-three thousand, nine hundred forty-nine".