18472950365101 has 2 divisors, whose sum is σ = 18472950365102. Its totient is φ = 18472950365100.

The previous prime is 18472950365087. The next prime is 18472950365117. The reversal of 18472950365101 is 10156305927481.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9598062509476 + 8874887855625 = 3098074^2 + 2979075^2 .

It is a cyclic number.

It is not a de Polignac number, because 18472950365101 - 2¹⁷ = 18472950234029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18472950368101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9236475182550 + 9236475182551.

It is an arithmetic number, because the mean of its divisors is an integer number (9236475182551).

It is a 1-persistent number, because it is pandigital, but 2⋅18472950365101 = 36945900730202 is not.

Almost surely, 2^{18472950365101} is an apocalyptic number.

It is an amenable number.

18472950365101 is a deficient number, since it is larger than the sum of its proper divisors (1).

18472950365101 is an equidigital number, since it uses as much as digits as its factorization.

18472950365101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1814400, while the sum is 52.

The spelling of 18472950365101 in words is "eighteen trillion, four hundred seventy-two billion, nine hundred fifty million, three hundred sixty-five thousand, one hundred one".