19606321089 has 12 divisors (see below), whose sum is σ = 29551556736. Its totient is φ = 12502581432.

The previous prime is 19606321069. The next prime is 19606321109. The reversal of 19606321089 is 98012360691.

It is a happy number.

19606321089 is a `hidden beast` number, since 1 + 9 + 6 + 0 + 632 + 1 + 0 + 8 + 9 = 666.

It is an interprime number because it is at equal distance from previous prime (19606321069) and next prime (19606321109).

It is not a de Polignac number, because 19606321089 - 2⁹ = 19606320577 is a prime.

It is a super-2 number, since 2×19606321089² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (19606321069) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47358057 + ... + 47358470.

It is an arithmetic number, because the mean of its divisors is an integer number (2462629728).

Almost surely, 2^19606321089 is an apocalyptic number.

It is an amenable number.

19606321089 is a deficient number, since it is larger than the sum of its proper divisors (9945235647).

19606321089 is a wasteful number, since it uses less digits than its factorization.

19606321089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94716556 (or 94716553 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 45.

The spelling of 19606321089 in words is "nineteen billion, six hundred six million, three hundred twenty-one thousand, eighty-nine".