269030780861 has 2 divisors, whose sum is σ = 269030780862. Its totient is φ = 269030780860.

The previous prime is 269030780819. The next prime is 269030780989. The reversal of 269030780861 is 168087030962.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 223776302500 + 45254478361 = 473050^2 + 212731^2 .

It is a cyclic number.

It is not a de Polignac number, because 269030780861 - 2¹⁰ = 269030779837 is a prime.

It is a super-2 number, since 2×269030780861² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (269030780261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134515390430 + 134515390431.

It is an arithmetic number, because the mean of its divisors is an integer number (134515390431).

Almost surely, 2^269030780861 is an apocalyptic number.

It is an amenable number.

269030780861 is a deficient number, since it is larger than the sum of its proper divisors (1).

269030780861 is an equidigital number, since it uses as much as digits as its factorization.

269030780861 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 870912, while the sum is 50.

The spelling of 269030780861 in words is "two hundred sixty-nine billion, thirty million, seven hundred eighty thousand, eight hundred sixty-one".