5491984974 has 80 divisors (see below), whose sum is σ = 13057455312. Its totient is φ = 1539318144.

The previous prime is 5491984957. The next prime is 5491984991. The reversal of 5491984974 is 4794891945.

It is an interprime number because it is at equal distance from previous prime (5491984957) and next prime (5491984991).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 759922 + ... + 767114.

Almost surely, 2^5491984974 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5491984974, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6528727656).

5491984974 is an abundant number, since it is smaller than the sum of its proper divisors (7565470338).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5491984974 is an equidigital number, since it uses as much as digits as its factorization.

5491984974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7279 (or 7258 counting only the distinct ones).

The product of its digits is 13063680, while the sum is 60.

The square root of 5491984974 is about 74107.9278754979. The cubic root of 5491984974 is about 1764.3163013056.

The spelling of 5491984974 in words is "five billion, four hundred ninety-one million, nine hundred eighty-four thousand, nine hundred seventy-four".