19967148069 has 8 divisors (see below), whose sum is σ = 29043124512. Its totient is φ = 12101301840.

The previous prime is 19967148049. The next prime is 19967148107. The reversal of 19967148069 is 96084176991.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 19967148069 - 2²⁵ = 19933593637 is a prime.

It is a super-2 number, since 2×19967148069² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19967148029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 302532514 + ... + 302532579.

It is an arithmetic number, because the mean of its divisors is an integer number (3630390564).

Almost surely, 2^19967148069 is an apocalyptic number.

It is an amenable number.

19967148069 is a deficient number, since it is larger than the sum of its proper divisors (9075976443).

19967148069 is a wasteful number, since it uses less digits than its factorization.

19967148069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 605065107.

The product of its (nonzero) digits is 5878656, while the sum is 60.

The spelling of 19967148069 in words is "nineteen billion, nine hundred sixty-seven million, one hundred forty-eight thousand, sixty-nine".