73869719641 has 2 divisors, whose sum is σ = 73869719642. Its totient is φ = 73869719640.

The previous prime is 73869719537. The next prime is 73869719653. The reversal of 73869719641 is 14691796837.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48204398025 + 25665321616 = 219555^2 + 160204^2 .

It is a cyclic number.

It is not a de Polignac number, because 73869719641 - 2⁹ = 73869719129 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 73869719641.

It is not a weakly prime, because it can be changed into another prime (73869719681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36934859820 + 36934859821.

It is an arithmetic number, because the mean of its divisors is an integer number (36934859821).

Almost surely, 2^73869719641 is an apocalyptic number.

It is an amenable number.

73869719641 is a deficient number, since it is larger than the sum of its proper divisors (1).

73869719641 is an equidigital number, since it uses as much as digits as its factorization.

73869719641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13716864, while the sum is 61.

The spelling of 73869719641 in words is "seventy-three billion, eight hundred sixty-nine million, seven hundred nineteen thousand, six hundred forty-one".