43214938937 has 2 divisors, whose sum is σ = 43214938938. Its totient is φ = 43214938936.

The previous prime is 43214938889. The next prime is 43214938957. The reversal of 43214938937 is 73983941234.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22703256976 + 20511681961 = 150676^2 + 143219^2 .

It is a cyclic number.

It is not a de Polignac number, because 43214938937 - 2²⁰ = 43213890361 is a prime.

It is not a weakly prime, because it can be changed into another prime (43214938957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21607469468 + 21607469469.

It is an arithmetic number, because the mean of its divisors is an integer number (21607469469).

Almost surely, 2^43214938937 is an apocalyptic number.

It is an amenable number.

43214938937 is a deficient number, since it is larger than the sum of its proper divisors (1).

43214938937 is an equidigital number, since it uses as much as digits as its factorization.

43214938937 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3919104, while the sum is 53.

The spelling of 43214938937 in words is "forty-three billion, two hundred fourteen million, nine hundred thirty-eight thousand, nine hundred thirty-seven".