83450221932949 has 2 divisors, whose sum is σ = 83450221932950. Its totient is φ = 83450221932948.

The previous prime is 83450221932899. The next prime is 83450221933007. The reversal of 83450221932949 is 94923912205438.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 79866841080625 + 3583380852324 = 8936825^2 + 1892982^2 .

It is a cyclic number.

It is not a de Polignac number, because 83450221932949 - 2²⁷ = 83450087715221 is a prime.

It is a super-3 number, since 3×83450221932949³ (a number of 43 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83450221932449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41725110966474 + 41725110966475.

It is an arithmetic number, because the mean of its divisors is an integer number (41725110966475).

Almost surely, 2^{83450221932949} is an apocalyptic number.

It is an amenable number.

83450221932949 is a deficient number, since it is larger than the sum of its proper divisors (1).

83450221932949 is an equidigital number, since it uses as much as digits as its factorization.

83450221932949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 33592320, while the sum is 61.

The spelling of 83450221932949 in words is "eighty-three trillion, four hundred fifty billion, two hundred twenty-one million, nine hundred thirty-two thousand, nine hundred forty-nine".