9872752693 has 2 divisors, whose sum is σ = 9872752694. Its totient is φ = 9872752692.

The previous prime is 9872752619. The next prime is 9872752723. The reversal of 9872752693 is 3962572789.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8354325604 + 1518427089 = 91402^2 + 38967^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9872752693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9872755693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4936376346 + 4936376347.

It is an arithmetic number, because the mean of its divisors is an integer number (4936376347).

Almost surely, 2^9872752693 is an apocalyptic number.

It is an amenable number.

9872752693 is a deficient number, since it is larger than the sum of its proper divisors (1).

9872752693 is an equidigital number, since it uses as much as digits as its factorization.

9872752693 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11430720, while the sum is 58.

The square root of 9872752693 is about 99361.7264996940. The cubic root of 9872752693 is about 2145.2574528834.

The spelling of 9872752693 in words is "nine billion, eight hundred seventy-two million, seven hundred fifty-two thousand, six hundred ninety-three".