19948377301 has 2 divisors, whose sum is σ = 19948377302. Its totient is φ = 19948377300.

The previous prime is 19948377289. The next prime is 19948377353. The reversal of 19948377301 is 10377384991.

It is an a-pointer prime, because the next prime (19948377353) can be obtained adding 19948377301 to its sum of digits (52).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15227313201 + 4721064100 = 123399^2 + 68710^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-19948377301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19948377601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9974188650 + 9974188651.

It is an arithmetic number, because the mean of its divisors is an integer number (9974188651).

Almost surely, 2^19948377301 is an apocalyptic number.

It is an amenable number.

19948377301 is a deficient number, since it is larger than the sum of its proper divisors (1).

19948377301 is an equidigital number, since it uses as much as digits as its factorization.

19948377301 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1143072, while the sum is 52.

The spelling of 19948377301 in words is "nineteen billion, nine hundred forty-eight million, three hundred seventy-seven thousand, three hundred one".