73853956811 has 2 divisors, whose sum is σ = 73853956812. Its totient is φ = 73853956810.

The previous prime is 73853956753. The next prime is 73853956831. The reversal of 73853956811 is 11865935837.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 73853956811 - 2⁶ = 73853956747 is a prime.

It is not a weakly prime, because it can be changed into another prime (73853956831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36926978405 + 36926978406.

It is an arithmetic number, because the mean of its divisors is an integer number (36926978406).

Almost surely, 2^73853956811 is an apocalyptic number.

73853956811 is a deficient number, since it is larger than the sum of its proper divisors (1).

73853956811 is an equidigital number, since it uses as much as digits as its factorization.

73853956811 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5443200, while the sum is 56.

The spelling of 73853956811 in words is "seventy-three billion, eight hundred fifty-three million, nine hundred fifty-six thousand, eight hundred eleven".