9950434921 has 8 divisors (see below), whose sum is σ = 11389507200. Its totient is φ = 8515758048.

The previous prime is 9950434913. The next prime is 9950434931. The reversal of 9950434921 is 1294340599.

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

It is not a de Polignac number, because 9950434921 - 2³ = 9950434913 is a prime.

It is a super-2 number, since 2×9950434921² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9950434931) 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, 1093996 + ... + 1103053.

It is an arithmetic number, because the mean of its divisors is an integer number (1423688400).

Almost surely, 2^9950434921 is an apocalyptic number.

It is an amenable number.

9950434921 is a deficient number, since it is larger than the sum of its proper divisors (1439072279).

9950434921 is a wasteful number, since it uses less digits than its factorization.

9950434921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2197703.

The product of its (nonzero) digits is 349920, while the sum is 46.

The square root of 9950434921 is about 99751.8667544623. The cubic root of 9950434921 is about 2150.8693020493.

The spelling of 9950434921 in words is "nine billion, nine hundred fifty million, four hundred thirty-four thousand, nine hundred twenty-one".