9190747957 has 2 divisors, whose sum is σ = 9190747958. Its totient is φ = 9190747956.

The previous prime is 9190747933. The next prime is 9190747999. The reversal of 9190747957 is 7597470919.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5427416241 + 3763331716 = 73671^2 + 61346^2 .

It is a cyclic number.

It is not a de Polignac number, because 9190747957 - 2¹⁵ = 9190715189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9190747057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4595373978 + 4595373979.

It is an arithmetic number, because the mean of its divisors is an integer number (4595373979).

Almost surely, 2^9190747957 is an apocalyptic number.

It is an amenable number.

9190747957 is a deficient number, since it is larger than the sum of its proper divisors (1).

9190747957 is an equidigital number, since it uses as much as digits as its factorization.

9190747957 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5000940, while the sum is 58.

The square root of 9190747957 is about 95868.3887264201. The cubic root of 9190747957 is about 2094.6764599679.

The spelling of 9190747957 in words is "nine billion, one hundred ninety million, seven hundred forty-seven thousand, nine hundred fifty-seven".