86430690629 has 2 divisors, whose sum is σ = 86430690630. Its totient is φ = 86430690628.

The previous prime is 86430690527. The next prime is 86430690653. The reversal of 86430690629 is 92609603468.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47568482404 + 38862208225 = 218102^2 + 197135^2 .

It is a cyclic number.

It is not a de Polignac number, because 86430690629 - 2¹² = 86430686533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86430690679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43215345314 + 43215345315.

It is an arithmetic number, because the mean of its divisors is an integer number (43215345315).

Almost surely, 2^86430690629 is an apocalyptic number.

It is an amenable number.

86430690629 is a deficient number, since it is larger than the sum of its proper divisors (1).

86430690629 is an equidigital number, since it uses as much as digits as its factorization.

86430690629 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3359232, while the sum is 53.

The spelling of 86430690629 in words is "eighty-six billion, four hundred thirty million, six hundred ninety thousand, six hundred twenty-nine".