9240478669 has 2 divisors, whose sum is σ = 9240478670. Its totient is φ = 9240478668.

The previous prime is 9240478661. The next prime is 9240478691. The reversal of 9240478669 is 9668740429.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6716622025 + 2523856644 = 81955^2 + 50238^2 .

It is a cyclic number.

It is not a de Polignac number, because 9240478669 - 2³ = 9240478661 is a prime.

It is a super-2 number, since 2×9240478669² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9240478661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4620239334 + 4620239335.

It is an arithmetic number, because the mean of its divisors is an integer number (4620239335).

Almost surely, 2^9240478669 is an apocalyptic number.

It is an amenable number.

9240478669 is a deficient number, since it is larger than the sum of its proper divisors (1).

9240478669 is an equidigital number, since it uses as much as digits as its factorization.

9240478669 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5225472, while the sum is 55.

The square root of 9240478669 is about 96127.4085211913. The cubic root of 9240478669 is about 2098.4477318716.

The spelling of 9240478669 in words is "nine billion, two hundred forty million, four hundred seventy-eight thousand, six hundred sixty-nine".