9509253139 has 2 divisors, whose sum is σ = 9509253140. Its totient is φ = 9509253138.

The previous prime is 9509253097. The next prime is 9509253157. The reversal of 9509253139 is 9313529059.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9509253139 - 2¹¹ = 9509251091 is a prime.

It is not a weakly prime, because it can be changed into another prime (9509203139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4754626569 + 4754626570.

It is an arithmetic number, because the mean of its divisors is an integer number (4754626570).

Almost surely, 2^9509253139 is an apocalyptic number.

9509253139 is a deficient number, since it is larger than the sum of its proper divisors (1).

9509253139 is an equidigital number, since it uses as much as digits as its factorization.

9509253139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 328050, while the sum is 46.

The square root of 9509253139 is about 97515.3994966949. The cubic root of 9509253139 is about 2118.5991946870.

The spelling of 9509253139 in words is "nine billion, five hundred nine million, two hundred fifty-three thousand, one hundred thirty-nine".