9950505783 has 16 divisors (see below), whose sum is σ = 13880111616. Its totient is φ = 6334170560.

The previous prime is 9950505779. The next prime is 9950505787. The reversal of 9950505783 is 3875050599.

9950505783 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (9950505779) and next prime (9950505787).

It is a cyclic number.

It is not a de Polignac number, because 9950505783 - 2² = 9950505779 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9950505787) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 854841 + ... + 866402.

It is an arithmetic number, because the mean of its divisors is an integer number (867506976).

Almost surely, 2^9950505783 is an apocalyptic number.

9950505783 is a deficient number, since it is larger than the sum of its proper divisors (3929605833).

9950505783 is a wasteful number, since it uses less digits than its factorization.

9950505783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1721334.

The product of its (nonzero) digits is 1701000, while the sum is 51.

The square root of 9950505783 is about 99752.2219451777. The cubic root of 9950505783 is about 2150.8744078408.

The spelling of 9950505783 in words is "nine billion, nine hundred fifty million, five hundred five thousand, seven hundred eighty-three".