73242562961 has 2 divisors, whose sum is σ = 73242562962. Its totient is φ = 73242562960.

The previous prime is 73242562859. The next prime is 73242562979. The reversal of 73242562961 is 16926524237.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 72923761936 + 318801025 = 270044^2 + 17855^2 .

It is a cyclic number.

It is not a de Polignac number, because 73242562961 - 2³⁴ = 56062693777 is a prime.

It is not a weakly prime, because it can be changed into another prime (73242562061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36621281480 + 36621281481.

It is an arithmetic number, because the mean of its divisors is an integer number (36621281481).

Almost surely, 2^73242562961 is an apocalyptic number.

It is an amenable number.

73242562961 is a deficient number, since it is larger than the sum of its proper divisors (1).

73242562961 is an equidigital number, since it uses as much as digits as its factorization.

73242562961 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1088640, while the sum is 47.

The spelling of 73242562961 in words is "seventy-three billion, two hundred forty-two million, five hundred sixty-two thousand, nine hundred sixty-one".