9854450431 has 16 divisors (see below), whose sum is σ = 11479200768. Its totient is φ = 8284068000.

The previous prime is 9854450429. The next prime is 9854450449. The reversal of 9854450431 is 1340544589.

It is a cyclic number.

It is not a de Polignac number, because 9854450431 - 2¹ = 9854450429 is a prime.

It is a super-2 number, since 2×9854450431² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9854450461) 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, 1722666 + ... + 1728376.

It is an arithmetic number, because the mean of its divisors is an integer number (717450048).

Almost surely, 2^9854450431 is an apocalyptic number.

9854450431 is a deficient number, since it is larger than the sum of its proper divisors (1624750337).

9854450431 is a wasteful number, since it uses less digits than its factorization.

9854450431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10422.

The product of its (nonzero) digits is 345600, while the sum is 43.

The square root of 9854450431 is about 99269.5846218770. The cubic root of 9854450431 is about 2143.9309957017.

The spelling of 9854450431 in words is "nine billion, eight hundred fifty-four million, four hundred fifty thousand, four hundred thirty-one".