9057650491 has 2 divisors, whose sum is σ = 9057650492. Its totient is φ = 9057650490.

The previous prime is 9057650489. The next prime is 9057650501. The reversal of 9057650491 is 1940567509.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9057650491 - 2¹ = 9057650489 is a prime.

It is a super-2 number, since 2×9057650491² (a number of 21 digits) contains 22 as substring.

Together with 9057650489, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (9057650461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4528825245 + 4528825246.

It is an arithmetic number, because the mean of its divisors is an integer number (4528825246).

Almost surely, 2^9057650491 is an apocalyptic number.

9057650491 is a deficient number, since it is larger than the sum of its proper divisors (1).

9057650491 is an equidigital number, since it uses as much as digits as its factorization.

9057650491 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 340200, while the sum is 46.

The square root of 9057650491 is about 95171.6895457888. The cubic root of 9057650491 is about 2084.5157753495.

The spelling of 9057650491 in words is "nine billion, fifty-seven million, six hundred fifty thousand, four hundred ninety-one".