19732049 has 2 divisors, whose sum is σ = 19732050. Its totient is φ = 19732048.

The previous prime is 19732043. The next prime is 19732081. The reversal of 19732049 is 94023791.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10923025 + 8809024 = 3305^2 + 2968^2 .

It is a cyclic number.

It is not a de Polignac number, because 19732049 - 2⁴ = 19732033 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (19732043) 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, 9866024 + 9866025.

It is an arithmetic number, because the mean of its divisors is an integer number (9866025).

Almost surely, 2^19732049 is an apocalyptic number.

It is an amenable number.

19732049 is a deficient number, since it is larger than the sum of its proper divisors (1).

19732049 is an equidigital number, since it uses as much as digits as its factorization.

19732049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13608, while the sum is 35.

The square root of 19732049 is about 4442.0771042385. The cubic root of 19732049 is about 270.2240892263.

The spelling of 19732049 in words is "nineteen million, seven hundred thirty-two thousand, forty-nine".