1142610649 has 2 divisors, whose sum is σ = 1142610650. Its totient is φ = 1142610648.

The previous prime is 1142610571. The next prime is 1142610661. The reversal of 1142610649 is 9460162411.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1122719049 + 19891600 = 33507^2 + 4460^2 .

It is a cyclic number.

It is not a de Polignac number, because 1142610649 - 2¹¹ = 1142608601 is a prime.

It is not a weakly prime, because it can be changed into another prime (1142610449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 571305324 + 571305325.

It is an arithmetic number, because the mean of its divisors is an integer number (571305325).

Almost surely, 2^1142610649 is an apocalyptic number.

It is an amenable number.

1142610649 is a deficient number, since it is larger than the sum of its proper divisors (1).

1142610649 is an equidigital number, since it uses as much as digits as its factorization.

1142610649 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 1142610649 is about 33802.5242992295. The cubic root of 1142610649 is about 1045.4407453798.

The spelling of 1142610649 in words is "one billion, one hundred forty-two million, six hundred ten thousand, six hundred forty-nine".