10773993945 has 64 divisors (see below), whose sum is σ = 20326328064. Its totient is φ = 4804254720.

The previous prime is 10773993943. The next prime is 10773993959. The reversal of 10773993945 is 54939937701.

It is not a de Polignac number, because 10773993945 - 2¹ = 10773993943 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10773993941) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 585099 + ... + 603231.

It is an arithmetic number, because the mean of its divisors is an integer number (317598876).

Almost surely, 2^10773993945 is an apocalyptic number.

10773993945 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10773993945 is a deficient number, since it is larger than the sum of its proper divisors (9552334119).

10773993945 is a wasteful number, since it uses less digits than its factorization.

10773993945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18442.

The product of its (nonzero) digits is 6429780, while the sum is 57.

The spelling of 10773993945 in words is "ten billion, seven hundred seventy-three million, nine hundred ninety-three thousand, nine hundred forty-five".