18295959629 has 2 divisors, whose sum is σ = 18295959630. Its totient is φ = 18295959628.

The previous prime is 18295959601. The next prime is 18295959641. The reversal of 18295959629 is 92695959281.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17848425604 + 447534025 = 133598^2 + 21155^2 .

It is a cyclic number.

It is not a de Polignac number, because 18295959629 - 2¹² = 18295955533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18295959029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9147979814 + 9147979815.

It is an arithmetic number, because the mean of its divisors is an integer number (9147979815).

Almost surely, 2^18295959629 is an apocalyptic number.

It is an amenable number.

18295959629 is a deficient number, since it is larger than the sum of its proper divisors (1).

18295959629 is an equidigital number, since it uses as much as digits as its factorization.

18295959629 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31492800, while the sum is 65.

The spelling of 18295959629 in words is "eighteen billion, two hundred ninety-five million, nine hundred fifty-nine thousand, six hundred twenty-nine".