9850523407 has 4 divisors (see below), whose sum is σ = 9851463216. Its totient is φ = 9849583600.

The previous prime is 9850523387. The next prime is 9850523437. The reversal of 9850523407 is 7043250589.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 9850523407 - 2⁷ = 9850523279 is a prime.

It is a super-2 number, since 2×9850523407² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9850523437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 454003 + ... + 475204.

It is an arithmetic number, because the mean of its divisors is an integer number (2462865804).

Almost surely, 2^9850523407 is an apocalyptic number.

9850523407 is a deficient number, since it is larger than the sum of its proper divisors (939809).

9850523407 is a wasteful number, since it uses less digits than its factorization.

9850523407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 939808.

The product of its (nonzero) digits is 302400, while the sum is 43.

The square root of 9850523407 is about 99249.8030577391. The cubic root of 9850523407 is about 2143.6461705138.

The spelling of 9850523407 in words is "nine billion, eight hundred fifty million, five hundred twenty-three thousand, four hundred seven".