1868310001 has 2 divisors, whose sum is σ = 1868310002. Its totient is φ = 1868310000.

The previous prime is 1868309999. The next prime is 1868310023. The reversal of 1868310001 is 1000138681.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1603922401 + 264387600 = 40049^2 + 16260^2 .

It is a cyclic number.

It is not a de Polignac number, because 1868310001 - 2¹ = 1868309999 is a prime.

Together with 1868309999, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1868310061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 934155000 + 934155001.

It is an arithmetic number, because the mean of its divisors is an integer number (934155001).

Almost surely, 2^1868310001 is an apocalyptic number.

It is an amenable number.

1868310001 is a deficient number, since it is larger than the sum of its proper divisors (1).

1868310001 is an equidigital number, since it uses as much as digits as its factorization.

1868310001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 28.

The square root of 1868310001 is about 43223.9517050443. The cubic root of 1868310001 is about 1231.6377155602.

Adding to 1868310001 its reverse (1000138681), we get a palindrome (2868448682).

The spelling of 1868310001 in words is "one billion, eight hundred sixty-eight million, three hundred ten thousand, one".