864825543139 has 2 divisors, whose sum is σ = 864825543140. Its totient is φ = 864825543138.

The previous prime is 864825543121. The next prime is 864825543157. The reversal of 864825543139 is 931345528468.

It is a balanced prime because it is at equal distance from previous prime (864825543121) and next prime (864825543157).

It is a cyclic number.

It is not a de Polignac number, because 864825543139 - 2⁷ = 864825543011 is a prime.

It is not a weakly prime, because it can be changed into another prime (864825546139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 432412771569 + 432412771570.

It is an arithmetic number, because the mean of its divisors is an integer number (432412771570).

Almost surely, 2^864825543139 is an apocalyptic number.

864825543139 is a deficient number, since it is larger than the sum of its proper divisors (1).

864825543139 is an equidigital number, since it uses as much as digits as its factorization.

864825543139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24883200, while the sum is 58.

The spelling of 864825543139 in words is "eight hundred sixty-four billion, eight hundred twenty-five million, five hundred forty-three thousand, one hundred thirty-nine".