18896948308241 has 2 divisors, whose sum is σ = 18896948308242. Its totient is φ = 18896948308240.

The previous prime is 18896948308237. The next prime is 18896948308369. The reversal of 18896948308241 is 14280384969881.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18750415530625 + 146532777616 = 4330175^2 + 382796^2 .

It is a cyclic number.

It is not a de Polignac number, because 18896948308241 - 2² = 18896948308237 is a prime.

It is not a weakly prime, because it can be changed into another prime (18896948308841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9448474154120 + 9448474154121.

It is an arithmetic number, because the mean of its divisors is an integer number (9448474154121).

Almost surely, 2^{18896948308241} is an apocalyptic number.

It is an amenable number.

18896948308241 is a deficient number, since it is larger than the sum of its proper divisors (1).

18896948308241 is an equidigital number, since it uses as much as digits as its factorization.

18896948308241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 191102976, while the sum is 71.

The spelling of 18896948308241 in words is "eighteen trillion, eight hundred ninety-six billion, nine hundred forty-eight million, three hundred eight thousand, two hundred forty-one".