9951409067536 has 20 divisors (see below), whose sum is σ = 19285093691500. Its totient is φ = 4974610695552.

The previous prime is 9951409067491. The next prime is 9951409067569. The reversal of 9951409067536 is 6357609041599.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 4739137425936 + 5212271641600 = 2176956^2 + 2283040^2 .

It is a super-2 number, since 2×9951409067536² (a number of 27 digits) contains 22 as substring.

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, 68289831 + ... + 68435398.

It is an arithmetic number, because the mean of its divisors is an integer number (964254684575).

Almost surely, 2^{9951409067536} is an apocalyptic number.

It is an amenable number.

9951409067536 is a deficient number, since it is larger than the sum of its proper divisors (9333684623964).

9951409067536 is a wasteful number, since it uses less digits than its factorization.

9951409067536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136729786 (or 136729780 counting only the distinct ones).

The product of its (nonzero) digits is 55112400, while the sum is 64.

The spelling of 9951409067536 in words is "nine trillion, nine hundred fifty-one billion, four hundred nine million, sixty-seven thousand, five hundred thirty-six".