8973491619 has 8 divisors (see below), whose sum is σ = 11966006272. Its totient is φ = 5981652360.

The previous prime is 8973491617. The next prime is 8973491621. The reversal of 8973491619 is 9161943798.

It is an interprime number because it is at equal distance from previous prime (8973491617) and next prime (8973491621).

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

It is not a de Polignac number, because 8973491619 - 2¹ = 8973491617 is a prime.

It is a super-2 number, since 2×8973491619² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8973491617) 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, 136987 + ... + 191604.

It is an arithmetic number, because the mean of its divisors is an integer number (1495750784).

Almost surely, 2^8973491619 is an apocalyptic number.

8973491619 is a deficient number, since it is larger than the sum of its proper divisors (2992514653).

8973491619 is a wasteful number, since it uses less digits than its factorization.

8973491619 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337697.

The product of its digits is 2939328, while the sum is 57.

The square root of 8973491619 is about 94728.5153425303. The cubic root of 8973491619 is about 2078.0396053143.

The spelling of 8973491619 in words is "eight billion, nine hundred seventy-three million, four hundred ninety-one thousand, six hundred nineteen".