9761728493 has 8 divisors (see below), whose sum is σ = 10653353760. Its totient is φ = 8870802480.

The previous prime is 9761728453. The next prime is 9761728511. The reversal of 9761728493 is 3948271679.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9761728493 - 2⁶ = 9761728429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9761728433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145403 + ... + 201656.

It is an arithmetic number, because the mean of its divisors is an integer number (1331669220).

Almost surely, 2^9761728493 is an apocalyptic number.

It is an amenable number.

9761728493 is a deficient number, since it is larger than the sum of its proper divisors (891625267).

9761728493 is a wasteful number, since it uses less digits than its factorization.

9761728493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349627.

The product of its digits is 4572288, while the sum is 56.

The square root of 9761728493 is about 98801.4599740307. The cubic root of 9761728493 is about 2137.1856103755.

The spelling of 9761728493 in words is "nine billion, seven hundred sixty-one million, seven hundred twenty-eight thousand, four hundred ninety-three".