100421745808337 has 2 divisors, whose sum is σ = 100421745808338. Its totient is φ = 100421745808336.

The previous prime is 100421745808271. The next prime is 100421745808361. The reversal of 100421745808337 is 733808547124001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 77096284641601 + 23325461166736 = 8780449^2 + 4829644^2 .

It is a cyclic number.

It is not a de Polignac number, because 100421745808337 - 2¹² = 100421745804241 is a prime.

It is not a weakly prime, because it can be changed into another prime (100421745804337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50210872904168 + 50210872904169.

It is an arithmetic number, because the mean of its divisors is an integer number (50210872904169).

Almost surely, 2^{100421745808337} is an apocalyptic number.

It is an amenable number.

100421745808337 is a deficient number, since it is larger than the sum of its proper divisors (1).

100421745808337 is an equidigital number, since it uses as much as digits as its factorization.

100421745808337 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4515840, while the sum is 53.

The spelling of 100421745808337 in words is "one hundred trillion, four hundred twenty-one billion, seven hundred forty-five million, eight hundred eight thousand, three hundred thirty-seven".