1499541409 has 2 divisors, whose sum is σ = 1499541410. Its totient is φ = 1499541408.

The previous prime is 1499541391. The next prime is 1499541431. The reversal of 1499541409 is 9041459941.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 990046225 + 509495184 = 31465^2 + 22572^2 .

It is a cyclic number.

It is not a de Polignac number, because 1499541409 - 2⁵ = 1499541377 is a prime.

It is not a weakly prime, because it can be changed into another prime (1499541499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 749770704 + 749770705.

It is an arithmetic number, because the mean of its divisors is an integer number (749770705).

Almost surely, 2^1499541409 is an apocalyptic number.

It is an amenable number.

1499541409 is a deficient number, since it is larger than the sum of its proper divisors (1).

1499541409 is an equidigital number, since it uses as much as digits as its factorization.

1499541409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 233280, while the sum is 46.

The square root of 1499541409 is about 38723.9126251468. The cubic root of 1499541409 is about 1144.5975738520.

The spelling of 1499541409 in words is "one billion, four hundred ninety-nine million, five hundred forty-one thousand, four hundred nine".