1423469689 has 4 divisors (see below), whose sum is σ = 1423736656. Its totient is φ = 1423202724.

The previous prime is 1423469681. The next prime is 1423469713. The reversal of 1423469689 is 9869643241.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1423469689 - 2³ = 1423469681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1423469681) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 125319 + ... + 136204.

It is an arithmetic number, because the mean of its divisors is an integer number (355934164).

Almost surely, 2^1423469689 is an apocalyptic number.

It is an amenable number.

1423469689 is a deficient number, since it is larger than the sum of its proper divisors (266967).

1423469689 is an equidigital number, since it uses as much as digits as its factorization.

1423469689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266966.

The product of its digits is 2239488, while the sum is 52.

The square root of 1423469689 is about 37728.8972672142. The cubic root of 1423469689 is about 1124.9055891801.

The spelling of 1423469689 in words is "one billion, four hundred twenty-three million, four hundred sixty-nine thousand, six hundred eighty-nine".