1418342409 has 12 divisors (see below), whose sum is σ = 2234963952. Its totient is φ = 859601400.

The previous prime is 1418342399. The next prime is 1418342441. The reversal of 1418342409 is 9042438141.

It is a happy number.

It is not a de Polignac number, because 1418342409 - 2⁷ = 1418342281 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1418342489) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7163247 + ... + 7163444.

It is an arithmetic number, because the mean of its divisors is an integer number (186246996).

Almost surely, 2^1418342409 is an apocalyptic number.

It is an amenable number.

1418342409 is a deficient number, since it is larger than the sum of its proper divisors (816621543).

1418342409 is a wasteful number, since it uses less digits than its factorization.

1418342409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14326708 (or 14326705 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 1418342409 is about 37660.8869916788. The cubic root of 1418342409 is about 1123.5533428862.

The spelling of 1418342409 in words is "one billion, four hundred eighteen million, three hundred forty-two thousand, four hundred nine".