9950990599 has 16 divisors (see below), whose sum is σ = 11003900544. Its totient is φ = 8923141600.

The previous prime is 9950990537. The next prime is 9950990627.

It is a happy number.

9950990599 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 9950990599 - 2⁷ = 9950990471 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9950990599.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9950990509) 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, 587844 + ... + 604534.

It is an arithmetic number, because the mean of its divisors is an integer number (687743784).

Almost surely, 2^9950990599 is an apocalyptic number.

9950990599 is a deficient number, since it is larger than the sum of its proper divisors (1052909945).

9950990599 is a wasteful number, since it uses less digits than its factorization.

9950990599 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17438.

The product of its (nonzero) digits is 13286025, while the sum is 64.

The square root of 9950990599 is about 99754.6520168358. The cubic root of 9950990599 is about 2150.9093394451.

The spelling of 9950990599 in words is "nine billion, nine hundred fifty million, nine hundred ninety thousand, five hundred ninety-nine".