9953920042 has 24 divisors (see below), whose sum is σ = 16855201188. Its totient is φ = 4402221120.

The previous prime is 9953920027. The next prime is 9953920049. The reversal of 9953920042 is 2400293599.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 9777056641 + 176863401 = 98879^2 + 13299^2 .

It is not an unprimeable number, because it can be changed into a prime (9953920049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 546883 + ... + 564790.

Almost surely, 2^9953920042 is an apocalyptic number.

9953920042 is a deficient number, since it is larger than the sum of its proper divisors (6901281146).

9953920042 is a wasteful number, since it uses less digits than its factorization.

9953920042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1111734 (or 1111723 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 43.

The square root of 9953920042 is about 99769.3341763891. The cubic root of 9953920042 is about 2151.1203853719.

The spelling of 9953920042 in words is "nine billion, nine hundred fifty-three million, nine hundred twenty thousand, forty-two".