421413162452 has 24 divisors (see below), whose sum is σ = 780931295424. Its totient is φ = 198292395392.

The previous prime is 421413162433. The next prime is 421413162461. The reversal of 421413162452 is 254261314124.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 394403 + ... + 999189.

It is an arithmetic number, because the mean of its divisors is an integer number (32538803976).

Almost surely, 2^421413162452 is an apocalyptic number.

It is an amenable number.

421413162452 is a deficient number, since it is larger than the sum of its proper divisors (359518132972).

421413162452 is a wasteful number, since it uses less digits than its factorization.

421413162452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 615055 (or 615053 counting only the distinct ones).

The product of its digits is 46080, while the sum is 35.

Adding to 421413162452 its reverse (254261314124), we get a palindrome (675674476576).

The spelling of 421413162452 in words is "four hundred twenty-one billion, four hundred thirteen million, one hundred sixty-two thousand, four hundred fifty-two".