361283749 has 2 divisors, whose sum is σ = 361283750. Its totient is φ = 361283748.

The previous prime is 361283729. The next prime is 361283761. The reversal of 361283749 is 947382163.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 193710724 + 167573025 = 13918^2 + 12945^2 .

It is a cyclic number.

It is not a de Polignac number, because 361283749 - 2⁵ = 361283717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (361283719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 180641874 + 180641875.

It is an arithmetic number, because the mean of its divisors is an integer number (180641875).

Almost surely, 2^361283749 is an apocalyptic number.

It is an amenable number.

361283749 is a deficient number, since it is larger than the sum of its proper divisors (1).

361283749 is an equidigital number, since it uses as much as digits as its factorization.

361283749 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 217728, while the sum is 43.

The square root of 361283749 is about 19007.4656122272. The cubic root of 361283749 is about 712.2232426307.

The spelling of 361283749 in words is "three hundred sixty-one million, two hundred eighty-three thousand, seven hundred forty-nine".