43213411233137 has 2 divisors, whose sum is σ = 43213411233138. Its totient is φ = 43213411233136.

The previous prime is 43213411233037. The next prime is 43213411233211. The reversal of 43213411233137 is 73133211431234.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42988465920481 + 224945312656 = 6556559^2 + 474284^2 .

It is a cyclic number.

It is not a de Polignac number, because 43213411233137 - 2²² = 43213407038833 is a prime.

It is a super-2 number, since 2×43213411233137² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 43213411233137.

It is not a weakly prime, because it can be changed into another prime (43213411233037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21606705616568 + 21606705616569.

It is an arithmetic number, because the mean of its divisors is an integer number (21606705616569).

Almost surely, 2^{43213411233137} is an apocalyptic number.

It is an amenable number.

43213411233137 is a deficient number, since it is larger than the sum of its proper divisors (1).

43213411233137 is an equidigital number, since it uses as much as digits as its factorization.

43213411233137 is an evil number, because the sum of its binary digits is even.

The product of its digits is 108864, while the sum is 38.

The spelling of 43213411233137 in words is "forty-three trillion, two hundred thirteen billion, four hundred eleven million, two hundred thirty-three thousand, one hundred thirty-seven".