273702057687869 has 2 divisors, whose sum is σ = 273702057687870. Its totient is φ = 273702057687868.

The previous prime is 273702057687811. The next prime is 273702057687937. The reversal of 273702057687869 is 968786750207372.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 259994017948900 + 13708039738969 = 16124330^2 + 3702437^2 .

It is a cyclic number.

It is not a de Polignac number, because 273702057687869 - 2¹² = 273702057683773 is a prime.

It is a super-2 number, since 2×273702057687869² (a number of 30 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 273702057687869.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (273702057687809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136851028843934 + 136851028843935.

It is an arithmetic number, because the mean of its divisors is an integer number (136851028843935).

Almost surely, 2^{273702057687869} is an apocalyptic number.

It is an amenable number.

273702057687869 is a deficient number, since it is larger than the sum of its proper divisors (1).

273702057687869 is an equidigital number, since it uses as much as digits as its factorization.

273702057687869 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2987228160, while the sum is 77.

The spelling of 273702057687869 in words is "two hundred seventy-three trillion, seven hundred two billion, fifty-seven million, six hundred eighty-seven thousand, eight hundred sixty-nine".