9409622687420 has 24 divisors (see below), whose sum is σ = 19911048928848. Its totient is φ = 3735117401600.

The previous prime is 9409622687371. The next prime is 9409622687429. The reversal of 9409622687420 is 247862269049.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 9409622687420.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9409622687429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1795726901 + ... + 1795732140.

It is an arithmetic number, because the mean of its divisors is an integer number (829627038702).

Almost surely, 2^{9409622687420} is an apocalyptic number.

It is an amenable number.

9409622687420 is an abundant number, since it is smaller than the sum of its proper divisors (10501426241428).

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

9409622687420 is a wasteful number, since it uses less digits than its factorization.

9409622687420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3591459181 (or 3591459179 counting only the distinct ones).

The product of its (nonzero) digits is 20901888, while the sum is 59.

The spelling of 9409622687420 in words is "nine trillion, four hundred nine billion, six hundred twenty-two million, six hundred eighty-seven thousand, four hundred twenty".