43141213161877 has 2 divisors, whose sum is σ = 43141213161878. Its totient is φ = 43141213161876.

The previous prime is 43141213161869. The next prime is 43141213161931. The reversal of 43141213161877 is 77816131214134.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33730006524516 + 9411206637361 = 5807754^2 + 3067769^2 .

It is a cyclic number.

It is not a de Polignac number, because 43141213161877 - 2³ = 43141213161869 is a prime.

It is a super-2 number, since 2×43141213161877² (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 43141213161877.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43141213164877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21570606580938 + 21570606580939.

It is an arithmetic number, because the mean of its divisors is an integer number (21570606580939).

Almost surely, 2^{43141213161877} is an apocalyptic number.

It is an amenable number.

43141213161877 is a deficient number, since it is larger than the sum of its proper divisors (1).

43141213161877 is an equidigital number, since it uses as much as digits as its factorization.

43141213161877 is an evil number, because the sum of its binary digits is even.

The product of its digits is 677376, while the sum is 49.

The spelling of 43141213161877 in words is "forty-three trillion, one hundred forty-one billion, two hundred thirteen million, one hundred sixty-one thousand, eight hundred seventy-seven".