19699221413 has 8 divisors (see below), whose sum is σ = 21451058400. Its totient is φ = 18018888048.

The previous prime is 19699221391. The next prime is 19699221439. The reversal of 19699221413 is 31412299691.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-19699221413 is a prime.

It is a super-3 number, since 3×19699221413³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19699223413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17875331 + ... + 17876432.

It is an arithmetic number, because the mean of its divisors is an integer number (2681382300).

Almost surely, 2^19699221413 is an apocalyptic number.

It is an amenable number.

19699221413 is a deficient number, since it is larger than the sum of its proper divisors (1751836987).

19699221413 is a wasteful number, since it uses less digits than its factorization.

19699221413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35751811.

The product of its digits is 209952, while the sum is 47.

The spelling of 19699221413 in words is "nineteen billion, six hundred ninety-nine million, two hundred twenty-one thousand, four hundred thirteen".