1415299409 has 2 divisors, whose sum is σ = 1415299410. Its totient is φ = 1415299408.

The previous prime is 1415299381. The next prime is 1415299421. The reversal of 1415299409 is 9049925141.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1032979600 + 382319809 = 32140^2 + 19553^2 .

It is an emirp because it is prime and its reverse (9049925141) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1415299409 - 2²⁰ = 1414250833 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1415299409.

It is not a weakly prime, because it can be changed into another prime (1415299309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 707649704 + 707649705.

It is an arithmetic number, because the mean of its divisors is an integer number (707649705).

Almost surely, 2^1415299409 is an apocalyptic number.

It is an amenable number.

1415299409 is a deficient number, since it is larger than the sum of its proper divisors (1).

1415299409 is an equidigital number, since it uses as much as digits as its factorization.

1415299409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 116640, while the sum is 44.

The square root of 1415299409 is about 37620.4652948365. The cubic root of 1415299409 is about 1122.7492538285.

The spelling of 1415299409 in words is "one billion, four hundred fifteen million, two hundred ninety-nine thousand, four hundred nine".