9954450431 has 2 divisors, whose sum is σ = 9954450432. Its totient is φ = 9954450430.

The previous prime is 9954450427. The next prime is 9954450433. The reversal of 9954450431 is 1340544599.

It is a strong prime.

It is an emirp because it is prime and its reverse (1340544599) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9954450431 - 2² = 9954450427 is a prime.

It is a super-2 number, since 2×9954450431² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

Together with 9954450433, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9954450433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4977225215 + 4977225216.

It is an arithmetic number, because the mean of its divisors is an integer number (4977225216).

Almost surely, 2^9954450431 is an apocalyptic number.

9954450431 is a deficient number, since it is larger than the sum of its proper divisors (1).

9954450431 is an equidigital number, since it uses as much as digits as its factorization.

9954450431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 388800, while the sum is 44.

The square root of 9954450431 is about 99771.9922172550. The cubic root of 9954450431 is about 2151.1585917710.

The spelling of 9954450431 in words is "nine billion, nine hundred fifty-four million, four hundred fifty thousand, four hundred thirty-one".