9954983957 has 2 divisors, whose sum is σ = 9954983958. Its totient is φ = 9954983956.

The previous prime is 9954983933. The next prime is 9954983963. The reversal of 9954983957 is 7593894599.

9954983957 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8752350916 + 1202633041 = 93554^2 + 34679^2 .

It is an emirp because it is prime and its reverse (7593894599) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9954983957 - 2⁶ = 9954983893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9954983917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4977491978 + 4977491979.

It is an arithmetic number, because the mean of its divisors is an integer number (4977491979).

Almost surely, 2^9954983957 is an apocalyptic number.

It is an amenable number.

9954983957 is a deficient number, since it is larger than the sum of its proper divisors (1).

9954983957 is an equidigital number, since it uses as much as digits as its factorization.

9954983957 is an evil number, because the sum of its binary digits is even.

The product of its digits is 110224800, while the sum is 68.

The square root of 9954983957 is about 99774.6659077343. The cubic root of 9954983957 is about 2151.1970227738.

The spelling of 9954983957 in words is "nine billion, nine hundred fifty-four million, nine hundred eighty-three thousand, nine hundred fifty-seven".