1940066056969 has 8 divisors (see below), whose sum is σ = 1964396895552. Its totient is φ = 1915757993520.

The previous prime is 1940066056949. The next prime is 1940066056987. The reversal of 1940066056969 is 9696506600491.

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 1940066056969 - 2³⁵ = 1905706318601 is a prime.

It is a super-2 number, since 2×1940066056969² (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 (1940066056909) 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, 5522317 + ... + 5863114.

It is an arithmetic number, because the mean of its divisors is an integer number (245549611944).

Almost surely, 2^{1940066056969} is an apocalyptic number.

It is an amenable number.

1940066056969 is a deficient number, since it is larger than the sum of its proper divisors (24330838583).

1940066056969 is a wasteful number, since it uses less digits than its factorization.

1940066056969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11387567.

The product of its (nonzero) digits is 18895680, while the sum is 61.

The spelling of 1940066056969 in words is "one trillion, nine hundred forty billion, sixty-six million, fifty-six thousand, nine hundred sixty-nine".