19529034641 has 2 divisors, whose sum is σ = 19529034642. Its totient is φ = 19529034640.

The previous prime is 19529034601. The next prime is 19529034653. The reversal of 19529034641 is 14643092591.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9788134225 + 9740900416 = 98935^2 + 98696^2 .

It is a cyclic number.

It is not a de Polignac number, because 19529034641 - 2¹⁰ = 19529033617 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 19529034592 and 19529034601.

It is not a weakly prime, because it can be changed into another prime (19529034601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9764517320 + 9764517321.

It is an arithmetic number, because the mean of its divisors is an integer number (9764517321).

Almost surely, 2^19529034641 is an apocalyptic number.

It is an amenable number.

19529034641 is a deficient number, since it is larger than the sum of its proper divisors (1).

19529034641 is an equidigital number, since it uses as much as digits as its factorization.

19529034641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 233280, while the sum is 44.

The spelling of 19529034641 in words is "nineteen billion, five hundred twenty-nine million, thirty-four thousand, six hundred forty-one".