9621421416276 has 48 divisors (see below), whose sum is σ = 22682077157376. Its totient is φ = 3173986105344.

The previous prime is 9621421416263. The next prime is 9621421416301. The reversal of 9621421416276 is 6726141241269.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49322605 + ... + 49517291.

It is an arithmetic number, because the mean of its divisors is an integer number (472543274112).

Almost surely, 2^{9621421416276} is an apocalyptic number.

It is an amenable number.

9621421416276 is an abundant number, since it is smaller than the sum of its proper divisors (13060655741100).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9621421416276 is a wasteful number, since it uses less digits than its factorization.

9621421416276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237248 (or 237246 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 51.

The spelling of 9621421416276 in words is "nine trillion, six hundred twenty-one billion, four hundred twenty-one million, four hundred sixteen thousand, two hundred seventy-six".