5491919156 has 48 divisors (see below), whose sum is σ = 10348611840. Its totient is φ = 2540928000.

The previous prime is 5491919149. The next prime is 5491919177. The reversal of 5491919156 is 6519191945.

It is a super-2 number, since 2×5491919156² = 60322352032079504672, which contains 22 as substring.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1346336 + ... + 1350408.

It is an arithmetic number, because the mean of its divisors is an integer number (215596080).

Almost surely, 2^5491919156 is an apocalyptic number.

It is an amenable number.

5491919156 is a deficient number, since it is larger than the sum of its proper divisors (4856692684).

5491919156 is a wasteful number, since it uses less digits than its factorization.

5491919156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4424 (or 4422 counting only the distinct ones).

The product of its digits is 437400, while the sum is 50.

The square root of 5491919156 is about 74107.4838056184. The cubic root of 5491919156 is about 1764.3092532022.

The spelling of 5491919156 in words is "five billion, four hundred ninety-one million, nine hundred nineteen thousand, one hundred fifty-six".