73534279901 has 2 divisors, whose sum is σ = 73534279902. Its totient is φ = 73534279900.

The previous prime is 73534279859. The next prime is 73534279913. The reversal of 73534279901 is 10997243537.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38396402500 + 35137877401 = 195950^2 + 187451^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-73534279901 is a prime.

It is a super-2 number, since 2×73534279901² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 73534279901.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73534279601) 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, 36767139950 + 36767139951.

It is an arithmetic number, because the mean of its divisors is an integer number (36767139951).

Almost surely, 2^73534279901 is an apocalyptic number.

It is an amenable number.

73534279901 is a deficient number, since it is larger than the sum of its proper divisors (1).

73534279901 is an equidigital number, since it uses as much as digits as its factorization.

73534279901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1428840, while the sum is 50.

The spelling of 73534279901 in words is "seventy-three billion, five hundred thirty-four million, two hundred seventy-nine thousand, nine hundred one".