421052635516 has 12 divisors (see below), whose sum is σ = 754813871280. Its totient is φ = 205391529440.

The previous prime is 421052635501. The next prime is 421052635607. The reversal of 421052635516 is 615536250124.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1283696896 + ... + 1283697223.

It is an arithmetic number, because the mean of its divisors is an integer number (62901155940).

Almost surely, 2^421052635516 is an apocalyptic number.

It is an amenable number.

421052635516 is a deficient number, since it is larger than the sum of its proper divisors (333761235764).

421052635516 is a wasteful number, since it uses less digits than its factorization.

421052635516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2567394164 (or 2567394162 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 40.

The spelling of 421052635516 in words is "four hundred twenty-one billion, fifty-two million, six hundred thirty-five thousand, five hundred sixteen".