42002141177 has 2 divisors, whose sum is σ = 42002141178. Its totient is φ = 42002141176.

The previous prime is 42002141053. The next prime is 42002141191. The reversal of 42002141177 is 77114120024.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26046409321 + 15955731856 = 161389^2 + 126316^2 .

It is a cyclic number.

It is not a de Polignac number, because 42002141177 - 2¹⁸ = 42001879033 is a prime.

It is not a weakly prime, because it can be changed into another prime (42002141977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21001070588 + 21001070589.

It is an arithmetic number, because the mean of its divisors is an integer number (21001070589).

Almost surely, 2^42002141177 is an apocalyptic number.

It is an amenable number.

42002141177 is a deficient number, since it is larger than the sum of its proper divisors (1).

42002141177 is an equidigital number, since it uses as much as digits as its factorization.

42002141177 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3136, while the sum is 29.

The spelling of 42002141177 in words is "forty-two billion, two million, one hundred forty-one thousand, one hundred seventy-seven".