1073946265691 has 8 divisors (see below), whose sum is σ = 1156844774064. Its totient is φ = 991088794080.

The previous prime is 1073946265663. The next prime is 1073946265747. The reversal of 1073946265691 is 1965626493701.

1073946265691 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 1073946265691 - 2¹⁸ = 1073946003547 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1073946265691.

It is not an unprimeable number, because it can be changed into a prime (1073946265891) 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, 10204820 + ... + 10309521.

It is an arithmetic number, because the mean of its divisors is an integer number (144605596758).

Almost surely, 2^{1073946265691} is an apocalyptic number.

1073946265691 is a deficient number, since it is larger than the sum of its proper divisors (82898508373).

1073946265691 is a wasteful number, since it uses less digits than its factorization.

1073946265691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20518381.

The product of its (nonzero) digits is 14696640, while the sum is 59.

The spelling of 1073946265691 in words is "one trillion, seventy-three billion, nine hundred forty-six million, two hundred sixty-five thousand, six hundred ninety-one".