281709012260713 has 2 divisors, whose sum is σ = 281709012260714. Its totient is φ = 281709012260712.

The previous prime is 281709012260701. The next prime is 281709012260729. The reversal of 281709012260713 is 317062210907182.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 269366775285609 + 12342236975104 = 16412397^2 + 3513152^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-281709012260713 is a prime.

It is not a weakly prime, because it can be changed into another prime (281709012266713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 140854506130356 + 140854506130357.

It is an arithmetic number, because the mean of its divisors is an integer number (140854506130357).

Almost surely, 2^{281709012260713} is an apocalyptic number.

It is an amenable number.

281709012260713 is a deficient number, since it is larger than the sum of its proper divisors (1).

281709012260713 is an equidigital number, since it uses as much as digits as its factorization.

281709012260713 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 508032, while the sum is 49.

The spelling of 281709012260713 in words is "two hundred eighty-one trillion, seven hundred nine billion, twelve million, two hundred sixty thousand, seven hundred thirteen".