1036642249 has 2 divisors, whose sum is σ = 1036642250. Its totient is φ = 1036642248.

The previous prime is 1036642247. The next prime is 1036642253. The reversal of 1036642249 is 9422466301.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 602211600 + 434430649 = 24540^2 + 20843^2 .

It is a cyclic number.

It is not a de Polignac number, because 1036642249 - 2¹ = 1036642247 is a prime.

Together with 1036642247, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1036642247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 518321124 + 518321125.

It is an arithmetic number, because the mean of its divisors is an integer number (518321125).

Almost surely, 2^1036642249 is an apocalyptic number.

It is an amenable number.

1036642249 is a deficient number, since it is larger than the sum of its proper divisors (1).

1036642249 is an equidigital number, since it uses as much as digits as its factorization.

1036642249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62208, while the sum is 37.

The square root of 1036642249 is about 32196.9291858711. The cubic root of 1036642249 is about 1012.0678638347.

The spelling of 1036642249 in words is "one billion, thirty-six million, six hundred forty-two thousand, two hundred forty-nine".