19480099869 has 6 divisors (see below), whose sum is σ = 28137922046. Its totient is φ = 12986733240.

The previous prime is 19480099861. The next prime is 19480099909. The reversal of 19480099869 is 96899008491.

19480099869 is a `hidden beast` number, since 1 + 9 + 480 + 0 + 9 + 98 + 69 = 666.

It can be written as a sum of positive squares in only one way, i.e., 17210816100 + 2269283769 = 131190^2 + 47637^2 .

It is not a de Polignac number, because 19480099869 - 2³ = 19480099861 is a prime.

It is a super-2 number, since 2×19480099869² (a number of 21 digits) contains 22 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 (19480099861) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1082227762 + ... + 1082227779.

Almost surely, 2^19480099869 is an apocalyptic number.

It is an amenable number.

19480099869 is a deficient number, since it is larger than the sum of its proper divisors (8657822177).

19480099869 is a wasteful number, since it uses less digits than its factorization.

19480099869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2164455547 (or 2164455544 counting only the distinct ones).

The product of its (nonzero) digits is 10077696, while the sum is 63.

The spelling of 19480099869 in words is "nineteen billion, four hundred eighty million, ninety-nine thousand, eight hundred sixty-nine".