19740631301 has 2 divisors, whose sum is σ = 19740631302. Its totient is φ = 19740631300.

The previous prime is 19740631279. The next prime is 19740631303. The reversal of 19740631301 is 10313604791.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16282015201 + 3458616100 = 127601^2 + 58810^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-19740631301 is a prime.

It is a Sophie Germain prime.

Together with 19740631303, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19740631303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9870315650 + 9870315651.

It is an arithmetic number, because the mean of its divisors is an integer number (9870315651).

Almost surely, 2^19740631301 is an apocalyptic number.

It is an amenable number.

19740631301 is a deficient number, since it is larger than the sum of its proper divisors (1).

19740631301 is an equidigital number, since it uses as much as digits as its factorization.

19740631301 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13608, while the sum is 35.

The spelling of 19740631301 in words is "nineteen billion, seven hundred forty million, six hundred thirty-one thousand, three hundred one".