9489737377 has 2 divisors, whose sum is σ = 9489737378. Its totient is φ = 9489737376.

The previous prime is 9489737293. The next prime is 9489737423. The reversal of 9489737377 is 7737379849.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7402709521 + 2087027856 = 86039^2 + 45684^2 .

It is a cyclic number.

It is not a de Polignac number, because 9489737377 - 2¹¹ = 9489735329 is a prime.

It is not a weakly prime, because it can be changed into another prime (9489732377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4744868688 + 4744868689.

It is an arithmetic number, because the mean of its divisors is an integer number (4744868689).

Almost surely, 2^9489737377 is an apocalyptic number.

It is an amenable number.

9489737377 is a deficient number, since it is larger than the sum of its proper divisors (1).

9489737377 is an equidigital number, since it uses as much as digits as its factorization.

9489737377 is an evil number, because the sum of its binary digits is even.

The product of its digits is 56010528, while the sum is 64.

The square root of 9489737377 is about 97415.2830771435. The cubic root of 9489737377 is about 2117.1488741734.

The spelling of 9489737377 in words is "nine billion, four hundred eighty-nine million, seven hundred thirty-seven thousand, three hundred seventy-seven".