6860156729 has 2 divisors, whose sum is σ = 6860156730. Its totient is φ = 6860156728.

The previous prime is 6860156711. The next prime is 6860156773. The reversal of 6860156729 is 9276510686.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6583699600 + 276457129 = 81140^2 + 16627^2 .

It is a cyclic number.

It is not a de Polignac number, because 6860156729 - 2¹⁶ = 6860091193 is a prime.

It is not a weakly prime, because it can be changed into another prime (6860116729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3430078364 + 3430078365.

It is an arithmetic number, because the mean of its divisors is an integer number (3430078365).

Almost surely, 2^6860156729 is an apocalyptic number.

It is an amenable number.

6860156729 is a deficient number, since it is larger than the sum of its proper divisors (1).

6860156729 is an equidigital number, since it uses as much as digits as its factorization.

6860156729 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1088640, while the sum is 50.

The square root of 6860156729 is about 82826.0631021419. The cubic root of 6860156729 is about 1900.1068018450.

The spelling of 6860156729 in words is "six billion, eight hundred sixty million, one hundred fifty-six thousand, seven hundred twenty-nine".