1544311049 has 2 divisors, whose sum is σ = 1544311050. Its totient is φ = 1544311048.

The previous prime is 1544310967. The next prime is 1544311091. The reversal of 1544311049 is 9401134451.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1150566400 + 393744649 = 33920^2 + 19843^2 .

It is an emirp because it is prime and its reverse (9401134451) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1544311049 - 2¹⁶ = 1544245513 is a prime.

It is not a weakly prime, because it can be changed into another prime (1544311099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 772155524 + 772155525.

It is an arithmetic number, because the mean of its divisors is an integer number (772155525).

Almost surely, 2^1544311049 is an apocalyptic number.

It is an amenable number.

1544311049 is a deficient number, since it is larger than the sum of its proper divisors (1).

1544311049 is an equidigital number, since it uses as much as digits as its factorization.

1544311049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 1544311049 is about 39297.7232037684. The cubic root of 1544311049 is about 1155.8769222881.

The spelling of 1544311049 in words is "one billion, five hundred forty-four million, three hundred eleven thousand, forty-nine".