2858188529081 has 2 divisors, whose sum is σ = 2858188529082. Its totient is φ = 2858188529080.

The previous prime is 2858188529069. The next prime is 2858188529117. The reversal of 2858188529081 is 1809258818582.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2664860353600 + 193328175481 = 1632440^2 + 439691^2 .

It is a cyclic number.

It is not a de Polignac number, because 2858188529081 - 2³⁴ = 2841008659897 is a prime.

It is a super-2 number, since 2×2858188529081² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2858188528999 and 2858188529017.

It is not a weakly prime, because it can be changed into another prime (2858188529011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1429094264540 + 1429094264541.

It is an arithmetic number, because the mean of its divisors is an integer number (1429094264541).

Almost surely, 2^{2858188529081} is an apocalyptic number.

It is an amenable number.

2858188529081 is a deficient number, since it is larger than the sum of its proper divisors (1).

2858188529081 is an equidigital number, since it uses as much as digits as its factorization.

2858188529081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 29491200, while the sum is 65.

The spelling of 2858188529081 in words is "two trillion, eight hundred fifty-eight billion, one hundred eighty-eight million, five hundred twenty-nine thousand, eighty-one".