1940334673 has 4 divisors (see below), whose sum is σ = 1969294960. Its totient is φ = 1911374388.

The previous prime is 1940334659. The next prime is 1940334679. The reversal of 1940334673 is 3764330491.

It is a happy number.

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 1940334673 - 2²⁵ = 1906780241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1940334679) 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, 14480043 + ... + 14480176.

It is an arithmetic number, because the mean of its divisors is an integer number (492323740).

Almost surely, 2^1940334673 is an apocalyptic number.

It is an amenable number.

1940334673 is a deficient number, since it is larger than the sum of its proper divisors (28960287).

1940334673 is an equidigital number, since it uses as much as digits as its factorization.

1940334673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28960286.

The product of its (nonzero) digits is 163296, while the sum is 40.

The square root of 1940334673 is about 44049.2301067794. The cubic root of 1940334673 is about 1247.2654189222.

The spelling of 1940334673 in words is "one billion, nine hundred forty million, three hundred thirty-four thousand, six hundred seventy-three".