1081319071429 has 2 divisors, whose sum is σ = 1081319071430. Its totient is φ = 1081319071428.

The previous prime is 1081319071397. The next prime is 1081319071489. The reversal of 1081319071429 is 9241709131801.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 723503348100 + 357815723329 = 850590^2 + 598177^2 .

It is a cyclic number.

It is not a de Polignac number, because 1081319071429 - 2⁵ = 1081319071397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1081319071489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 540659535714 + 540659535715.

It is an arithmetic number, because the mean of its divisors is an integer number (540659535715).

Almost surely, 2^{1081319071429} is an apocalyptic number.

It is an amenable number.

1081319071429 is a deficient number, since it is larger than the sum of its proper divisors (1).

1081319071429 is an equidigital number, since it uses as much as digits as its factorization.

1081319071429 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108864, while the sum is 46.

The spelling of 1081319071429 in words is "one trillion, eighty-one billion, three hundred nineteen million, seventy-one thousand, four hundred twenty-nine".