421202754236 has 12 divisors (see below), whose sum is σ = 804114349080. Its totient is φ = 191455797360.

The previous prime is 421202754223. The next prime is 421202754241. The reversal of 421202754236 is 632457202124.

It is a self number, because there is not a number n which added to its sum of digits gives 421202754236.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4786394891 + ... + 4786394978.

It is an arithmetic number, because the mean of its divisors is an integer number (67009529090).

Almost surely, 2^421202754236 is an apocalyptic number.

It is an amenable number.

421202754236 is a deficient number, since it is larger than the sum of its proper divisors (382911594844).

421202754236 is a wasteful number, since it uses less digits than its factorization.

421202754236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9572789884 (or 9572789882 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 38.

The spelling of 421202754236 in words is "four hundred twenty-one billion, two hundred two million, seven hundred fifty-four thousand, two hundred thirty-six".