19072938529 has 2 divisors, whose sum is σ = 19072938530. Its totient is φ = 19072938528.

The previous prime is 19072938517. The next prime is 19072938611. The reversal of 19072938529 is 92583927091.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12008872225 + 7064066304 = 109585^2 + 84048^2 .

It is a cyclic number.

It is not a de Polignac number, because 19072938529 - 2⁵ = 19072938497 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 19072938529.

It is not a weakly prime, because it can be changed into another prime (19072938509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9536469264 + 9536469265.

It is an arithmetic number, because the mean of its divisors is an integer number (9536469265).

Almost surely, 2^19072938529 is an apocalyptic number.

It is an amenable number.

19072938529 is a deficient number, since it is larger than the sum of its proper divisors (1).

19072938529 is an equidigital number, since it uses as much as digits as its factorization.

19072938529 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2449440, while the sum is 55.

The spelling of 19072938529 in words is "nineteen billion, seventy-two million, nine hundred thirty-eight thousand, five hundred twenty-nine".