9438009515273 has 2 divisors, whose sum is σ = 9438009515274. Its totient is φ = 9438009515272.

The previous prime is 9438009515227. The next prime is 9438009515387. The reversal of 9438009515273 is 3725159008349.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5989512233104 + 3448497282169 = 2447348^2 + 1857013^2 .

It is a cyclic number.

It is not a de Polignac number, because 9438009515273 - 2²⁰ = 9438008466697 is a prime.

It is a super-2 number, since 2×9438009515273² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (9438009515573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4719004757636 + 4719004757637.

It is an arithmetic number, because the mean of its divisors is an integer number (4719004757637).

Almost surely, 2^{9438009515273} is an apocalyptic number.

It is an amenable number.

9438009515273 is a deficient number, since it is larger than the sum of its proper divisors (1).

9438009515273 is an equidigital number, since it uses as much as digits as its factorization.

9438009515273 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8164800, while the sum is 56.

The spelling of 9438009515273 in words is "nine trillion, four hundred thirty-eight billion, nine million, five hundred fifteen thousand, two hundred seventy-three".