20148424369 has 2 divisors, whose sum is σ = 20148424370. Its totient is φ = 20148424368.

The previous prime is 20148424343. The next prime is 20148424411. The reversal of 20148424369 is 96342484102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19661648400 + 486775969 = 140220^2 + 22063^2 .

It is a cyclic number.

It is not a de Polignac number, because 20148424369 - 2⁹ = 20148423857 is a prime.

It is a super-2 number, since 2×20148424369² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20148424069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10074212184 + 10074212185.

It is an arithmetic number, because the mean of its divisors is an integer number (10074212185).

Almost surely, 2^20148424369 is an apocalyptic number.

It is an amenable number.

20148424369 is a deficient number, since it is larger than the sum of its proper divisors (1).

20148424369 is an equidigital number, since it uses as much as digits as its factorization.

20148424369 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 331776, while the sum is 43.

The spelling of 20148424369 in words is "twenty billion, one hundred forty-eight million, four hundred twenty-four thousand, three hundred sixty-nine".