73623155225869 has 2 divisors, whose sum is σ = 73623155225870. Its totient is φ = 73623155225868.

The previous prime is 73623155225813. The next prime is 73623155225881. The reversal of 73623155225869 is 96852255132637.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 71633574450244 + 1989580775625 = 8463662^2 + 1410525^2 .

It is a cyclic number.

It is not a de Polignac number, because 73623155225869 - 2⁹ = 73623155225357 is a prime.

It is a super-2 number, since 2×73623155225869² (a number of 29 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 73623155225869.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73623155223869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36811577612934 + 36811577612935.

It is an arithmetic number, because the mean of its divisors is an integer number (36811577612935).

Almost surely, 2^{73623155225869} is an apocalyptic number.

It is an amenable number.

73623155225869 is a deficient number, since it is larger than the sum of its proper divisors (1).

73623155225869 is an equidigital number, since it uses as much as digits as its factorization.

73623155225869 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 163296000, while the sum is 64.

The spelling of 73623155225869 in words is "seventy-three trillion, six hundred twenty-three billion, one hundred fifty-five million, two hundred twenty-five thousand, eight hundred sixty-nine".