421348984996 has 9 divisors (see below), whose sum is σ = 737362995649. Its totient is φ = 210673843384.

The previous prime is 421348984963. The next prime is 421348984999. The reversal of 421348984996 is 699489843124.

It is a happy number.

The square root of 421348984996 is 649114.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 2822796900 + 418526188096 = 53130^2 + 646936^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (421348984999) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1135950 + ... + 1460506.

Almost surely, 2^421348984996 is an apocalyptic number.

421348984996 is the 649114-th square number.

It is an amenable number.

421348984996 is a deficient number, since it is larger than the sum of its proper divisors (316014010653).

421348984996 is an frugal number, since it uses more digits than its factorization.

421348984996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 649118 (or 324559 counting only the distinct ones).

The product of its digits is 107495424, while the sum is 67.

The spelling of 421348984996 in words is "four hundred twenty-one billion, three hundred forty-eight million, nine hundred eighty-four thousand, nine hundred ninety-six".