1069797925649 has 4 divisors (see below), whose sum is σ = 1077964322160. Its totient is φ = 1061631529140.

The previous prime is 1069797925633. The next prime is 1069797925681. The reversal of 1069797925649 is 9465297979601.

1069797925649 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1069797925649 - 2⁴ = 1069797925633 is a prime.

It is a super-2 number, since 2×1069797925649² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1069797925619) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4083198059 + ... + 4083198320.

It is an arithmetic number, because the mean of its divisors is an integer number (269491080540).

Almost surely, 2^{1069797925649} is an apocalyptic number.

It is an amenable number.

1069797925649 is a deficient number, since it is larger than the sum of its proper divisors (8166396511).

1069797925649 is an equidigital number, since it uses as much as digits as its factorization.

1069797925649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8166396510.

The product of its (nonzero) digits is 462944160, while the sum is 74.

The spelling of 1069797925649 in words is "one trillion, sixty-nine billion, seven hundred ninety-seven million, nine hundred twenty-five thousand, six hundred forty-nine".