1040348549 has 2 divisors, whose sum is σ = 1040348550. Its totient is φ = 1040348548.

The previous prime is 1040348527. The next prime is 1040348611. The reversal of 1040348549 is 9458430401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 910228900 + 130119649 = 30170^2 + 11407^2 .

It is a cyclic number.

It is not a de Polignac number, because 1040348549 - 2¹² = 1040344453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1040348849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 520174274 + 520174275.

It is an arithmetic number, because the mean of its divisors is an integer number (520174275).

Almost surely, 2^1040348549 is an apocalyptic number.

It is an amenable number.

1040348549 is a deficient number, since it is larger than the sum of its proper divisors (1).

1040348549 is an equidigital number, since it uses as much as digits as its factorization.

1040348549 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69120, while the sum is 38.

The square root of 1040348549 is about 32254.4345633279. The cubic root of 1040348549 is about 1013.2725756965.

The spelling of 1040348549 in words is "one billion, forty million, three hundred forty-eight thousand, five hundred forty-nine".