9742988693 has 2 divisors, whose sum is σ = 9742988694. Its totient is φ = 9742988692.

The previous prime is 9742988681. The next prime is 9742988713. The reversal of 9742988693 is 3968892479.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8597369284 + 1145619409 = 92722^2 + 33847^2 .

It is an emirp because it is prime and its reverse (3968892479) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9742988693 - 2¹⁸ = 9742726549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9742988603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4871494346 + 4871494347.

It is an arithmetic number, because the mean of its divisors is an integer number (4871494347).

Almost surely, 2^9742988693 is an apocalyptic number.

It is an amenable number.

9742988693 is a deficient number, since it is larger than the sum of its proper divisors (1).

9742988693 is an equidigital number, since it uses as much as digits as its factorization.

9742988693 is an evil number, because the sum of its binary digits is even.

The product of its digits is 47029248, while the sum is 65.

The square root of 9742988693 is about 98706.5787726431. The cubic root of 9742988693 is about 2135.8171339199.

The spelling of 9742988693 in words is "nine billion, seven hundred forty-two million, nine hundred eighty-eight thousand, six hundred ninety-three".