65884152949 has 2 divisors, whose sum is σ = 65884152950. Its totient is φ = 65884152948.

The previous prime is 65884152937. The next prime is 65884152973. The reversal of 65884152949 is 94925148856.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 61677722500 + 4206430449 = 248350^2 + 64857^2 .

It is a cyclic number.

It is not a de Polignac number, because 65884152949 - 2²⁷ = 65749935221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65884152979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32942076474 + 32942076475.

It is an arithmetic number, because the mean of its divisors is an integer number (32942076475).

Almost surely, 2^65884152949 is an apocalyptic number.

It is an amenable number.

65884152949 is a deficient number, since it is larger than the sum of its proper divisors (1).

65884152949 is an equidigital number, since it uses as much as digits as its factorization.

65884152949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24883200, while the sum is 61.

The spelling of 65884152949 in words is "sixty-five billion, eight hundred eighty-four million, one hundred fifty-two thousand, nine hundred forty-nine".