19869696007 has 16 divisors (see below), whose sum is σ = 23358426112. Its totient is φ = 16544956320.

The previous prime is 19869695977. The next prime is 19869696037. The reversal of 19869696007 is 70069696891.

It is an interprime number because it is at equal distance from previous prime (19869695977) and next prime (19869696037).

It is a cyclic number.

It is not a de Polignac number, because 19869696007 - 2²³ = 19861307399 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19869696037) 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 15 ways as a sum of consecutive naturals, for example, 106882 + ... + 226192.

It is an arithmetic number, because the mean of its divisors is an integer number (1459901632).

Almost surely, 2^19869696007 is an apocalyptic number.

19869696007 is a deficient number, since it is larger than the sum of its proper divisors (3488730105).

19869696007 is a wasteful number, since it uses less digits than its factorization.

19869696007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119998.

The product of its (nonzero) digits is 8817984, while the sum is 61.

The spelling of 19869696007 in words is "nineteen billion, eight hundred sixty-nine million, six hundred ninety-six thousand, seven".