187829452813 has 2 divisors, whose sum is σ = 187829452814. Its totient is φ = 187829452812.

The previous prime is 187829452793. The next prime is 187829452897. The reversal of 187829452813 is 318254928781.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 186543656649 + 1285796164 = 431907^2 + 35858^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-187829452813 is a prime.

It is a super-2 number, since 2×187829452813² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (187829452313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 93914726406 + 93914726407.

It is an arithmetic number, because the mean of its divisors is an integer number (93914726407).

Almost surely, 2^187829452813 is an apocalyptic number.

It is an amenable number.

187829452813 is a deficient number, since it is larger than the sum of its proper divisors (1).

187829452813 is an equidigital number, since it uses as much as digits as its factorization.

187829452813 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7741440, while the sum is 58.

The spelling of 187829452813 in words is "one hundred eighty-seven billion, eight hundred twenty-nine million, four hundred fifty-two thousand, eight hundred thirteen".