9291798479 has 2 divisors, whose sum is σ = 9291798480. Its totient is φ = 9291798478.

The previous prime is 9291798463. The next prime is 9291798499. The reversal of 9291798479 is 9748971929.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9291798479 - 2⁴ = 9291798463 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9291798449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4645899239 + 4645899240.

It is an arithmetic number, because the mean of its divisors is an integer number (4645899240).

Almost surely, 2^9291798479 is an apocalyptic number.

9291798479 is a deficient number, since it is larger than the sum of its proper divisors (1).

9291798479 is an equidigital number, since it uses as much as digits as its factorization.

9291798479 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20575296, while the sum is 65.

The square root of 9291798479 is about 96393.9753252246. The cubic root of 9291798479 is about 2102.3253515261.

The spelling of 9291798479 in words is "nine billion, two hundred ninety-one million, seven hundred ninety-eight thousand, four hundred seventy-nine".