421078632116 has 6 divisors (see below), whose sum is σ = 736887606210. Its totient is φ = 210539316056.

The previous prime is 421078632109. The next prime is 421078632131. The reversal of 421078632116 is 611236870124.

It can be written as a sum of positive squares in only one way, i.e., 400683936016 + 20394696100 = 632996^2 + 142810^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52634829011 + ... + 52634829018.

It is an arithmetic number, because the mean of its divisors is an integer number (122814601035).

Almost surely, 2^421078632116 is an apocalyptic number.

It is an amenable number.

421078632116 is a deficient number, since it is larger than the sum of its proper divisors (315808974094).

421078632116 is a wasteful number, since it uses less digits than its factorization.

421078632116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105269658033 (or 105269658031 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 41.

The spelling of 421078632116 in words is "four hundred twenty-one billion, seventy-eight million, six hundred thirty-two thousand, one hundred sixteen".