2469218909 has 2 divisors, whose sum is σ = 2469218910. Its totient is φ = 2469218908.

The previous prime is 2469218879. The next prime is 2469218951. The reversal of 2469218909 is 9098129642.

It is a happy number.

2469218909 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1540798009 + 928420900 = 39253^2 + 30470^2 .

It is a cyclic number.

It is not a de Polignac number, because 2469218909 - 2²⁰ = 2468170333 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2469218959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1234609454 + 1234609455.

It is an arithmetic number, because the mean of its divisors is an integer number (1234609455).

Almost surely, 2^2469218909 is an apocalyptic number.

It is an amenable number.

2469218909 is a deficient number, since it is larger than the sum of its proper divisors (1).

2469218909 is an equidigital number, since it uses as much as digits as its factorization.

2469218909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 559872, while the sum is 50.

The square root of 2469218909 is about 49691.2357362946. The cubic root of 2469218909 is about 1351.6156074119.

The spelling of 2469218909 in words is "two billion, four hundred sixty-nine million, two hundred eighteen thousand, nine hundred nine".