1069869151381 has 8 divisors (see below), whose sum is σ = 1132814251800. Its totient is φ = 1006925342208.

The previous prime is 1069869151331. The next prime is 1069869151391. The reversal of 1069869151381 is 1831519689601.

It can be written as a sum of positive squares in 4 ways, for example, as 504680947281 + 565188204100 = 710409^2 + 751790^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1069869151381 - 2⁹ = 1069869150869 is a prime.

It is a super-2 number, since 2×1069869151381² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1069869151331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1771195 + ... + 2297143.

It is an arithmetic number, because the mean of its divisors is an integer number (141601781475).

Almost surely, 2^{1069869151381} is an apocalyptic number.

It is an amenable number.

1069869151381 is a deficient number, since it is larger than the sum of its proper divisors (62945100419).

1069869151381 is a wasteful number, since it uses less digits than its factorization.

1069869151381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 645623.

The product of its (nonzero) digits is 2799360, while the sum is 58.

The spelling of 1069869151381 in words is "one trillion, sixty-nine billion, eight hundred sixty-nine million, one hundred fifty-one thousand, three hundred eighty-one".