75688192849 has 2 divisors, whose sum is σ = 75688192850. Its totient is φ = 75688192848.

The previous prime is 75688192841. The next prime is 75688192903. The reversal of 75688192849 is 94829188657.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 74607098449 + 1081094400 = 273143^2 + 32880^2 .

It is a cyclic number.

It is not a de Polignac number, because 75688192849 - 2³ = 75688192841 is a prime.

It is not a weakly prime, because it can be changed into another prime (75688192841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37844096424 + 37844096425.

It is an arithmetic number, because the mean of its divisors is an integer number (37844096425).

Almost surely, 2^75688192849 is an apocalyptic number.

It is an amenable number.

75688192849 is a deficient number, since it is larger than the sum of its proper divisors (1).

75688192849 is an equidigital number, since it uses as much as digits as its factorization.

75688192849 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69672960, while the sum is 67.

The spelling of 75688192849 in words is "seventy-five billion, six hundred eighty-eight million, one hundred ninety-two thousand, eight hundred forty-nine".