18629028620459 has 16 divisors (see below), whose sum is σ = 18953398189440. Its totient is φ = 18306648279360.

The previous prime is 18629028620443. The next prime is 18629028620467. The reversal of 18629028620459 is 95402682092681.

It is a cyclic number.

It is not a de Polignac number, because 18629028620459 - 2⁴ = 18629028620443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18629028650459) 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 in 15 ways as a sum of consecutive naturals, for example, 22051364 + ... + 22880574.

It is an arithmetic number, because the mean of its divisors is an integer number (1184587386840).

Almost surely, 2^{18629028620459} is an apocalyptic number.

18629028620459 is a deficient number, since it is larger than the sum of its proper divisors (324369568981).

18629028620459 is an equidigital number, since it uses as much as digits as its factorization.

18629028620459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 830410.

The product of its (nonzero) digits is 29859840, while the sum is 62.

The spelling of 18629028620459 in words is "eighteen trillion, six hundred twenty-nine billion, twenty-eight million, six hundred twenty thousand, four hundred fifty-nine".