5437109081 has 6 divisors (see below), whose sum is σ = 5683783770. Its totient is φ = 5200712528.

The previous prime is 5437109077. The next prime is 5437109089. The reversal of 5437109081 is 1809017345.

It can be written as a sum of positive squares in only one way, i.e., 5192499481 + 244609600 = 72059^2 + 15640^2 .

It is not a de Polignac number, because 5437109081 - 2² = 5437109077 is a prime.

It is a super-2 number, since 2×5437109081² = 59124310317385329122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5437109089) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5138516 + ... + 5139573.

It is an arithmetic number, because the mean of its divisors is an integer number (947297295).

Almost surely, 2^5437109081 is an apocalyptic number.

It is an amenable number.

5437109081 is a deficient number, since it is larger than the sum of its proper divisors (246674689).

5437109081 is a wasteful number, since it uses less digits than its factorization.

5437109081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10278135 (or 10278112 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 38.

The square root of 5437109081 is about 73736.7552920523. The cubic root of 5437109081 is about 1758.4202725225.

The spelling of 5437109081 in words is "five billion, four hundred thirty-seven million, one hundred nine thousand, eighty-one".