9900953791 has 8 divisors (see below), whose sum is σ = 10061985600. Its totient is φ = 9740814720.

The previous prime is 9900953761. The next prime is 9900953801. The reversal of 9900953791 is 1973590099.

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

It is a cyclic number.

It is not a de Polignac number, because 9900953791 - 2¹¹ = 9900951743 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9900953761) 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, 200806 + ... + 245203.

It is an arithmetic number, because the mean of its divisors is an integer number (1257748200).

Almost surely, 2^9900953791 is an apocalyptic number.

9900953791 is a deficient number, since it is larger than the sum of its proper divisors (161031809).

9900953791 is a wasteful number, since it uses less digits than its factorization.

9900953791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 446369.

The product of its (nonzero) digits is 688905, while the sum is 52.

The square root of 9900953791 is about 99503.5365753399. The cubic root of 9900953791 is about 2147.2981232981.

The spelling of 9900953791 in words is "nine billion, nine hundred million, nine hundred fifty-three thousand, seven hundred ninety-one".