9951727746 has 8 divisors (see below), whose sum is σ = 19903455504. Its totient is φ = 3317242580.

The previous prime is 9951727739. The next prime is 9951727759. The reversal of 9951727746 is 6477271599.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

9951727746 is an admirable number.

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, 829310640 + ... + 829310651.

It is an arithmetic number, because the mean of its divisors is an integer number (2487931938).

Almost surely, 2^9951727746 is an apocalyptic number.

9951727746 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

9951727746 is a wasteful number, since it uses less digits than its factorization.

9951727746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1658621296.

The product of its digits is 6667920, while the sum is 57.

The square root of 9951727746 is about 99758.3467485303. The cubic root of 9951727746 is about 2150.9624496422.

The spelling of 9951727746 in words is "nine billion, nine hundred fifty-one million, seven hundred twenty-seven thousand, seven hundred forty-six".