272866886573 has 2 divisors, whose sum is σ = 272866886574. Its totient is φ = 272866886572.

The previous prime is 272866886549. The next prime is 272866886641. The reversal of 272866886573 is 375688668272.

It is a happy number.

It is an a-pointer prime, because the next prime (272866886641) can be obtained adding 272866886573 to its sum of digits (68).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 228734540644 + 44132345929 = 478262^2 + 210077^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-272866886573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (272866883573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136433443286 + 136433443287.

It is an arithmetic number, because the mean of its divisors is an integer number (136433443287).

Almost surely, 2^272866886573 is an apocalyptic number.

It is an amenable number.

272866886573 is a deficient number, since it is larger than the sum of its proper divisors (1).

272866886573 is an equidigital number, since it uses as much as digits as its factorization.

272866886573 is an evil number, because the sum of its binary digits is even.

The product of its digits is 325140480, while the sum is 68.

The spelling of 272866886573 in words is "two hundred seventy-two billion, eight hundred sixty-six million, eight hundred eighty-six thousand, five hundred seventy-three".