9742540452479 has 2 divisors, whose sum is σ = 9742540452480. Its totient is φ = 9742540452478.

The previous prime is 9742540452431. The next prime is 9742540452499.

9742540452479 is nontrivially palindromic in base 10.

It is a strong prime.

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 9742540452479 - 2⁸ = 9742540452223 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9742540452419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4871270226239 + 4871270226240.

It is an arithmetic number, because the mean of its divisors is an integer number (4871270226240).

Almost surely, 2^{9742540452479} is an apocalyptic number.

9742540452479 is a deficient number, since it is larger than the sum of its proper divisors (1).

9742540452479 is an equidigital number, since it uses as much as digits as its factorization.

9742540452479 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 101606400, while the sum is 62.

The spelling of 9742540452479 in words is "nine trillion, seven hundred forty-two billion, five hundred forty million, four hundred fifty-two thousand, four hundred seventy-nine".