19724375303 has 2 divisors, whose sum is σ = 19724375304. Its totient is φ = 19724375302.

The previous prime is 19724375263. The next prime is 19724375347. The reversal of 19724375303 is 30357342791.

It is an a-pointer prime, because the next prime (19724375347) can be obtained adding 19724375303 to its sum of digits (44).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 19724375303 - 2²⁴ = 19707598087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19724375353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9862187651 + 9862187652.

It is an arithmetic number, because the mean of its divisors is an integer number (9862187652).

Almost surely, 2^19724375303 is an apocalyptic number.

19724375303 is a deficient number, since it is larger than the sum of its proper divisors (1).

19724375303 is an equidigital number, since it uses as much as digits as its factorization.

19724375303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 476280, while the sum is 44.

The spelling of 19724375303 in words is "nineteen billion, seven hundred twenty-four million, three hundred seventy-five thousand, three hundred three".