423486413989 has 4 divisors (see below), whose sum is σ = 445775172640. Its totient is φ = 401197655340.

The previous prime is 423486413957. The next prime is 423486414017. The reversal of 423486413989 is 989314684324.

It is a happy number.

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 423486413989 - 2⁵ = 423486413957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423486413929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11144379297 + ... + 11144379334.

It is an arithmetic number, because the mean of its divisors is an integer number (111443793160).

Almost surely, 2^423486413989 is an apocalyptic number.

It is an amenable number.

423486413989 is a deficient number, since it is larger than the sum of its proper divisors (22288758651).

423486413989 is a wasteful number, since it uses less digits than its factorization.

423486413989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22288758650.

The product of its digits is 35831808, while the sum is 61.

The spelling of 423486413989 in words is "four hundred twenty-three billion, four hundred eighty-six million, four hundred thirteen thousand, nine hundred eighty-nine".