99956203273 has 2 divisors, whose sum is σ = 99956203274. Its totient is φ = 99956203272.

The previous prime is 99956203267. The next prime is 99956203289. The reversal of 99956203273 is 37230265999.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 80291189449 + 19665013824 = 283357^2 + 140232^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99956203273 is a prime.

It is not a weakly prime, because it can be changed into another prime (99956203253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49978101636 + 49978101637.

It is an arithmetic number, because the mean of its divisors is an integer number (49978101637).

Almost surely, 2^99956203273 is an apocalyptic number.

It is an amenable number.

99956203273 is a deficient number, since it is larger than the sum of its proper divisors (1).

99956203273 is an equidigital number, since it uses as much as digits as its factorization.

99956203273 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5511240, while the sum is 55.

The spelling of 99956203273 in words is "ninety-nine billion, nine hundred fifty-six million, two hundred three thousand, two hundred seventy-three".