73569339461 has 2 divisors, whose sum is σ = 73569339462. Its totient is φ = 73569339460.

The previous prime is 73569339457. The next prime is 73569339491. The reversal of 73569339461 is 16493396537.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 73288776961 + 280562500 = 270719^2 + 16750^2 .

It is an emirp because it is prime and its reverse (16493396537) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 73569339461 - 2² = 73569339457 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 73569339397 and 73569339406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73569339491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36784669730 + 36784669731.

It is an arithmetic number, because the mean of its divisors is an integer number (36784669731).

Almost surely, 2^73569339461 is an apocalyptic number.

It is an amenable number.

73569339461 is a deficient number, since it is larger than the sum of its proper divisors (1).

73569339461 is an equidigital number, since it uses as much as digits as its factorization.

73569339461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11022480, while the sum is 56.

The spelling of 73569339461 in words is "seventy-three billion, five hundred sixty-nine million, three hundred thirty-nine thousand, four hundred sixty-one".