1974224249 has 2 divisors, whose sum is σ = 1974224250. Its totient is φ = 1974224248.

The previous prime is 1974224183. The next prime is 1974224257. The reversal of 1974224249 is 9424224791.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1973136400 + 1087849 = 44420^2 + 1043^2 .

It is a cyclic number.

It is not a de Polignac number, because 1974224249 - 2²⁴ = 1957447033 is a prime.

It is a super-2 number, since 2×1974224249² = 7795122770679228002, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1974224269) 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, 987112124 + 987112125.

It is an arithmetic number, because the mean of its divisors is an integer number (987112125).

Almost surely, 2^1974224249 is an apocalyptic number.

It is an amenable number.

1974224249 is a deficient number, since it is larger than the sum of its proper divisors (1).

1974224249 is an equidigital number, since it uses as much as digits as its factorization.

1974224249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 290304, while the sum is 44.

The square root of 1974224249 is about 44432.2433487214. The cubic root of 1974224249 is about 1254.4850612534.

The spelling of 1974224249 in words is "one billion, nine hundred seventy-four million, two hundred twenty-four thousand, two hundred forty-nine".