9934144650454 has 16 divisors (see below), whose sum is σ = 15535450438992. Its totient is φ = 4760020163808.

The previous prime is 9934144650439. The next prime is 9934144650473. The reversal of 9934144650454 is 4540564414399.

It is a happy number.

9934144650454 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×9934144650454² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1089743649 + ... + 1089752764.

It is an arithmetic number, because the mean of its divisors is an integer number (970965652437).

Almost surely, 2^{9934144650454} is an apocalyptic number.

9934144650454 is a deficient number, since it is larger than the sum of its proper divisors (5601305788538).

9934144650454 is a wasteful number, since it uses less digits than its factorization.

9934144650454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2179496511.

The product of its (nonzero) digits is 37324800, while the sum is 58.

The spelling of 9934144650454 in words is "nine trillion, nine hundred thirty-four billion, one hundred forty-four million, six hundred fifty thousand, four hundred fifty-four".