1069271698949 has 2 divisors, whose sum is σ = 1069271698950. Its totient is φ = 1069271698948.

The previous prime is 1069271698909. The next prime is 1069271699011. The reversal of 1069271698949 is 9498961729601.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1068101580100 + 1170118849 = 1033490^2 + 34207^2 .

It is a cyclic number.

It is not a de Polignac number, because 1069271698949 - 2¹² = 1069271694853 is a prime.

It is a super-2 number, since 2×1069271698949² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1069271698909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 534635849474 + 534635849475.

It is an arithmetic number, because the mean of its divisors is an integer number (534635849475).

Almost surely, 2^{1069271698949} is an apocalyptic number.

It is an amenable number.

1069271698949 is a deficient number, since it is larger than the sum of its proper divisors (1).

1069271698949 is an equidigital number, since it uses as much as digits as its factorization.

1069271698949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 105815808, while the sum is 71.

The spelling of 1069271698949 in words is "one trillion, sixty-nine billion, two hundred seventy-one million, six hundred ninety-eight thousand, nine hundred forty-nine".