9520149773 has 2 divisors, whose sum is σ = 9520149774. Its totient is φ = 9520149772.

The previous prime is 9520149767. The next prime is 9520149791. The reversal of 9520149773 is 3779410259.

9520149773 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7899121129 + 1621028644 = 88877^2 + 40262^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9520149773 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9520149703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4760074886 + 4760074887.

It is an arithmetic number, because the mean of its divisors is an integer number (4760074887).

Almost surely, 2^9520149773 is an apocalyptic number.

It is an amenable number.

9520149773 is a deficient number, since it is larger than the sum of its proper divisors (1).

9520149773 is an equidigital number, since it uses as much as digits as its factorization.

9520149773 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 476280, while the sum is 47.

The square root of 9520149773 is about 97571.2548499813. The cubic root of 9520149773 is about 2119.4081186328.

The spelling of 9520149773 in words is "nine billion, five hundred twenty million, one hundred forty-nine thousand, seven hundred seventy-three".