86154369140629 has 2 divisors, whose sum is σ = 86154369140630. Its totient is φ = 86154369140628.

The previous prime is 86154369140579. The next prime is 86154369140669. The reversal of 86154369140629 is 92604196345168.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 56353142238129 + 29801226902500 = 7506873^2 + 5459050^2 .

It is a cyclic number.

It is not a de Polignac number, because 86154369140629 - 2³¹ = 86152221656981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86154369140669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43077184570314 + 43077184570315.

It is an arithmetic number, because the mean of its divisors is an integer number (43077184570315).

Almost surely, 2^{86154369140629} is an apocalyptic number.

It is an amenable number.

86154369140629 is a deficient number, since it is larger than the sum of its proper divisors (1).

86154369140629 is an equidigital number, since it uses as much as digits as its factorization.

86154369140629 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 67184640, while the sum is 64.

The spelling of 86154369140629 in words is "eighty-six trillion, one hundred fifty-four billion, three hundred sixty-nine million, one hundred forty thousand, six hundred twenty-nine".