1541144009 has 2 divisors, whose sum is σ = 1541144010. Its totient is φ = 1541144008.

The previous prime is 1541143999. The next prime is 1541144023. The reversal of 1541144009 is 9004411451.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 916393984 + 624750025 = 30272^2 + 24995^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1541144009 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1541144029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 770572004 + 770572005.

It is an arithmetic number, because the mean of its divisors is an integer number (770572005).

Almost surely, 2^1541144009 is an apocalyptic number.

It is an amenable number.

1541144009 is a deficient number, since it is larger than the sum of its proper divisors (1).

1541144009 is an equidigital number, since it uses as much as digits as its factorization.

1541144009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 1541144009 is about 39257.4070590507. The cubic root of 1541144009 is about 1155.0862323254.

The spelling of 1541144009 in words is "one billion, five hundred forty-one million, one hundred forty-four thousand, nine".