19106703529 has 27 divisors (see below), whose sum is σ = 20858338597. Its totient is φ = 17498432384.

The previous prime is 19106703523. The next prime is 19106703533. The reversal of 19106703529 is 92530760191.

The square root of 19106703529 is 138227.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 9365013529 + 9741690000 = 96773^2 + 98700^2 .

It is not a de Polignac number, because 19106703529 - 2¹⁹ = 19106179241 is a prime.

It is a super-2 number, since 2×19106703529² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19106703523) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 110443287 + ... + 110443459.

Almost surely, 2^19106703529 is an apocalyptic number.

19106703529 is the 138227-th square number.

19106703529 is the 69114-th centered octagonal number.

It is an amenable number.

19106703529 is a deficient number, since it is larger than the sum of its proper divisors (1751635068).

19106703529 is an frugal number, since it uses more digits than its factorization.

19106703529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474 (or 237 counting only the distinct ones).

The product of its (nonzero) digits is 102060, while the sum is 43.

The spelling of 19106703529 in words is "nineteen billion, one hundred six million, seven hundred three thousand, five hundred twenty-nine".