1414840409 has 2 divisors, whose sum is σ = 1414840410. Its totient is φ = 1414840408.

The previous prime is 1414840381. The next prime is 1414840433. The reversal of 1414840409 is 9040484141.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 896822809 + 518017600 = 29947^2 + 22760^2 .

It is a cyclic number.

It is not a de Polignac number, because 1414840409 - 2²⁸ = 1146404953 is a prime.

It is not a weakly prime, because it can be changed into another prime (1414840109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 707420204 + 707420205.

It is an arithmetic number, because the mean of its divisors is an integer number (707420205).

Almost surely, 2^1414840409 is an apocalyptic number.

It is an amenable number.

1414840409 is a deficient number, since it is larger than the sum of its proper divisors (1).

1414840409 is an equidigital number, since it uses as much as digits as its factorization.

1414840409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18432, while the sum is 35.

The square root of 1414840409 is about 37614.3643971289. The cubic root of 1414840409 is about 1122.6278666448.

The spelling of 1414840409 in words is "one billion, four hundred fourteen million, eight hundred forty thousand, four hundred nine".