625143436422 has 8 divisors (see below), whose sum is σ = 1250286872856. Its totient is φ = 208381145472.

The previous prime is 625143436349. The next prime is 625143436427. The reversal of 625143436422 is 224634341526.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

625143436422 is an admirable number.

It is a super-2 number, since 2×625143436422² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (625143436427) 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, 52095286363 + ... + 52095286374.

It is an arithmetic number, because the mean of its divisors is an integer number (156285859107).

Almost surely, 2^625143436422 is an apocalyptic number.

625143436422 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

625143436422 is a wasteful number, since it uses less digits than its factorization.

625143436422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104190572742.

The product of its digits is 829440, while the sum is 42.

Adding to 625143436422 its reverse (224634341526), we get a palindrome (849777777948).

The spelling of 625143436422 in words is "six hundred twenty-five billion, one hundred forty-three million, four hundred thirty-six thousand, four hundred twenty-two".