9478501969 has 2 divisors, whose sum is σ = 9478501970. Its totient is φ = 9478501968.

The previous prime is 9478501933. The next prime is 9478502039. The reversal of 9478501969 is 9691058749.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5084403025 + 4394098944 = 71305^2 + 66288^2 .

It is a cyclic number.

It is not a de Polignac number, because 9478501969 - 2²⁹ = 8941631057 is a prime.

It is a super-2 number, since 2×9478501969² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (9478501169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4739250984 + 4739250985.

It is an arithmetic number, because the mean of its divisors is an integer number (4739250985).

Almost surely, 2^9478501969 is an apocalyptic number.

It is an amenable number.

9478501969 is a deficient number, since it is larger than the sum of its proper divisors (1).

9478501969 is an equidigital number, since it uses as much as digits as its factorization.

9478501969 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4898880, while the sum is 58.

The square root of 9478501969 is about 97357.5984142994. The cubic root of 9478501969 is about 2116.3130089219.

The spelling of 9478501969 in words is "nine billion, four hundred seventy-eight million, five hundred one thousand, nine hundred sixty-nine".