2042249497 has 2 divisors, whose sum is σ = 2042249498. Its totient is φ = 2042249496.

The previous prime is 2042249437. The next prime is 2042249507. The reversal of 2042249497 is 7949422402.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1899303561 + 142945936 = 43581^2 + 11956^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2042249497 is a prime.

It is a super-3 number, since 3×2042249497³ (a number of 29 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (2042249437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1021124748 + 1021124749.

It is an arithmetic number, because the mean of its divisors is an integer number (1021124749).

Almost surely, 2^2042249497 is an apocalyptic number.

It is an amenable number.

2042249497 is a deficient number, since it is larger than the sum of its proper divisors (1).

2042249497 is an equidigital number, since it uses as much as digits as its factorization.

2042249497 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 290304, while the sum is 43.

The square root of 2042249497 is about 45191.2546517576. The cubic root of 2042249497 is about 1268.7311395451.

The spelling of 2042249497 in words is "two billion, forty-two million, two hundred forty-nine thousand, four hundred ninety-seven".