1541599459 has 2 divisors, whose sum is σ = 1541599460. Its totient is φ = 1541599458.

The previous prime is 1541599453. The next prime is 1541599511. The reversal of 1541599459 is 9549951451.

It is an a-pointer prime, because the next prime (1541599511) can be obtained adding 1541599459 to its sum of digits (52).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1541599459 - 2⁷ = 1541599331 is a prime.

It is not a weakly prime, because it can be changed into another prime (1541599453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 770799729 + 770799730.

It is an arithmetic number, because the mean of its divisors is an integer number (770799730).

Almost surely, 2^1541599459 is an apocalyptic number.

1541599459 is a deficient number, since it is larger than the sum of its proper divisors (1).

1541599459 is an equidigital number, since it uses as much as digits as its factorization.

1541599459 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1458000, while the sum is 52.

The square root of 1541599459 is about 39263.2074466669. The cubic root of 1541599459 is about 1155.2000075914.

The spelling of 1541599459 in words is "one billion, five hundred forty-one million, five hundred ninety-nine thousand, four hundred fifty-nine".