73653038273 has 2 divisors, whose sum is σ = 73653038274. Its totient is φ = 73653038272.

The previous prime is 73653038197. The next prime is 73653038317. The reversal of 73653038273 is 37283035637.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 73605317809 + 47720464 = 271303^2 + 6908^2 .

It is an emirp because it is prime and its reverse (37283035637) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 73653038273 - 2¹⁶ = 73652972737 is a prime.

It is not a weakly prime, because it can be changed into another prime (73653098273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36826519136 + 36826519137.

It is an arithmetic number, because the mean of its divisors is an integer number (36826519137).

Almost surely, 2^73653038273 is an apocalyptic number.

It is an amenable number.

73653038273 is a deficient number, since it is larger than the sum of its proper divisors (1).

73653038273 is an equidigital number, since it uses as much as digits as its factorization.

73653038273 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1905120, while the sum is 47.

The spelling of 73653038273 in words is "seventy-three billion, six hundred fifty-three million, thirty-eight thousand, two hundred seventy-three".