1900313717 has 2 divisors, whose sum is σ = 1900313718. Its totient is φ = 1900313716.

The previous prime is 1900313707. The next prime is 1900313741. The reversal of 1900313717 is 7173130091.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1873677796 + 26635921 = 43286^2 + 5161^2 .

It is an emirp because it is prime and its reverse (7173130091) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1900313717 - 2⁸ = 1900313461 is a prime.

It is a super-2 number, since 2×1900313717² = 7222384446036712178, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1900313707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 950156858 + 950156859.

It is an arithmetic number, because the mean of its divisors is an integer number (950156859).

Almost surely, 2^1900313717 is an apocalyptic number.

It is an amenable number.

1900313717 is a deficient number, since it is larger than the sum of its proper divisors (1).

1900313717 is an equidigital number, since it uses as much as digits as its factorization.

1900313717 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3969, while the sum is 32.

The square root of 1900313717 is about 43592.5878676639. The cubic root of 1900313717 is about 1238.6304939591.

The spelling of 1900313717 in words is "one billion, nine hundred million, three hundred thirteen thousand, seven hundred seventeen".