1868964117 has 8 divisors (see below), whose sum is σ = 2500070496. Its totient is φ = 1241916912.

The previous prime is 1868964103. The next prime is 1868964121. The reversal of 1868964117 is 7114698681.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1868964117 - 2⁴ = 1868964101 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1868964117.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1868964217) 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, 1013718 + ... + 1015559.

It is an arithmetic number, because the mean of its divisors is an integer number (312508812).

Almost surely, 2^1868964117 is an apocalyptic number.

It is an amenable number.

1868964117 is a deficient number, since it is larger than the sum of its proper divisors (631106379).

1868964117 is a wasteful number, since it uses less digits than its factorization.

1868964117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2029587.

The product of its digits is 580608, while the sum is 51.

The square root of 1868964117 is about 43231.5176347072. The cubic root of 1868964117 is about 1231.7814354521.

The spelling of 1868964117 in words is "one billion, eight hundred sixty-eight million, nine hundred sixty-four thousand, one hundred seventeen".