43091034937 has 4 divisors (see below), whose sum is σ = 45625801716. Its totient is φ = 40556268160.

The previous prime is 43091034919. The next prime is 43091034941. The reversal of 43091034937 is 73943019034.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 25246349881 + 17844685056 = 158891^2 + 133584^2 .

It is a cyclic number.

It is not a de Polignac number, because 43091034937 - 2¹⁵ = 43091002169 is a prime.

It is a super-3 number, since 3×43091034937³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 43091034893 and 43091034902.

It is not an unprimeable number, because it can be changed into a prime (43091034967) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1267383364 + ... + 1267383397.

It is an arithmetic number, because the mean of its divisors is an integer number (11406450429).

Almost surely, 2^43091034937 is an apocalyptic number.

It is an amenable number.

43091034937 is a deficient number, since it is larger than the sum of its proper divisors (2534766779).

43091034937 is a wasteful number, since it uses less digits than its factorization.

43091034937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2534766778.

The product of its (nonzero) digits is 244944, while the sum is 43.

The spelling of 43091034937 in words is "forty-three billion, ninety-one million, thirty-four thousand, nine hundred thirty-seven".