8996649919 has 4 divisors (see below), whose sum is σ = 9130928344. Its totient is φ = 8862371496.

The previous prime is 8996649911. The next prime is 8996649941. The reversal of 8996649919 is 9199466998.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8996649919 - 2³ = 8996649911 is a prime.

It is a super-2 number, since 2×8996649919² (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 (8996649911) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67139112 + ... + 67139245.

It is an arithmetic number, because the mean of its divisors is an integer number (2282732086).

Almost surely, 2^8996649919 is an apocalyptic number.

8996649919 is a deficient number, since it is larger than the sum of its proper divisors (134278425).

8996649919 is a wasteful number, since it uses less digits than its factorization.

8996649919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134278424.

The product of its digits is 68024448, while the sum is 70.

The square root of 8996649919 is about 94850.6716844957. The cubic root of 8996649919 is about 2079.8257003075.

The spelling of 8996649919 in words is "eight billion, nine hundred ninety-six million, six hundred forty-nine thousand, nine hundred nineteen".