363447949 has 2 divisors, whose sum is σ = 363447950. Its totient is φ = 363447948.

The previous prime is 363447919. The next prime is 363447971. The reversal of 363447949 is 949744363.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 356945449 + 6502500 = 18893^2 + 2550^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-363447949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (363447919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 181723974 + 181723975.

It is an arithmetic number, because the mean of its divisors is an integer number (181723975).

Almost surely, 2^363447949 is an apocalyptic number.

It is an amenable number.

363447949 is a deficient number, since it is larger than the sum of its proper divisors (1).

363447949 is an equidigital number, since it uses as much as digits as its factorization.

363447949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1959552, while the sum is 49.

The square root of 363447949 is about 19064.3108713638. The cubic root of 363447949 is about 713.6425572663.

The spelling of 363447949 in words is "three hundred sixty-three million, four hundred forty-seven thousand, nine hundred forty-nine".