1079821464697 has 2 divisors, whose sum is σ = 1079821464698. Its totient is φ = 1079821464696.

The previous prime is 1079821464661. The next prime is 1079821464727. The reversal of 1079821464697 is 7964641289701.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 613784501136 + 466036963561 = 783444^2 + 682669^2 .

It is a cyclic number.

It is not a de Polignac number, because 1079821464697 - 2¹⁵ = 1079821431929 is a prime.

It is not a weakly prime, because it can be changed into another prime (1079821464497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 539910732348 + 539910732349.

It is an arithmetic number, because the mean of its divisors is an integer number (539910732349).

Almost surely, 2^{1079821464697} is an apocalyptic number.

It is an amenable number.

1079821464697 is a deficient number, since it is larger than the sum of its proper divisors (1).

1079821464697 is an equidigital number, since it uses as much as digits as its factorization.

1079821464697 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36578304, while the sum is 64.

The spelling of 1079821464697 in words is "one trillion, seventy-nine billion, eight hundred twenty-one million, four hundred sixty-four thousand, six hundred ninety-seven".