5481891796 has 6 divisors (see below), whose sum is σ = 9593310650. Its totient is φ = 2740945896.

The previous prime is 5481891763. The next prime is 5481891803. The reversal of 5481891796 is 6971981845.

It can be written as a sum of positive squares in only one way, i.e., 5481329296 + 562500 = 74036^2 + 750^2 .

It is a super-2 number, since 2×5481891796² = 60102275326104211232, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 5481891796.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 685236471 + ... + 685236478.

Almost surely, 2^5481891796 is an apocalyptic number.

It is an amenable number.

5481891796 is a deficient number, since it is larger than the sum of its proper divisors (4111418854).

5481891796 is a wasteful number, since it uses less digits than its factorization.

5481891796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1370472953 (or 1370472951 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 58.

The square root of 5481891796 is about 74039.7987301424. The cubic root of 5481891796 is about 1763.2348174928.

The spelling of 5481891796 in words is "five billion, four hundred eighty-one million, eight hundred ninety-one thousand, seven hundred ninety-six".