1936790117 has 4 divisors (see below), whose sum is σ = 1943937216. Its totient is φ = 1929643020.

The previous prime is 1936790111. The next prime is 1936790159. The reversal of 1936790117 is 7110976391.

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, and also an emirpimes, since its reverse is a distinct semiprime: 7110976391 = 1709 ⋅4160899.

It is a cyclic number.

It is not a de Polignac number, because 1936790117 - 2⁴ = 1936790101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1936790111) 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, 3573143 + ... + 3573684.

It is an arithmetic number, because the mean of its divisors is an integer number (485984304).

Almost surely, 2^1936790117 is an apocalyptic number.

It is an amenable number.

1936790117 is a deficient number, since it is larger than the sum of its proper divisors (7147099).

1936790117 is an equidigital number, since it uses as much as digits as its factorization.

1936790117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7147098.

The product of its (nonzero) digits is 71442, while the sum is 44.

The square root of 1936790117 is about 44008.9776863767. The cubic root of 1936790117 is about 1246.5054646420.

The spelling of 1936790117 in words is "one billion, nine hundred thirty-six million, seven hundred ninety thousand, one hundred seventeen".