42361262077 has 2 divisors, whose sum is σ = 42361262078. Its totient is φ = 42361262076.

The previous prime is 42361262011. The next prime is 42361262089. The reversal of 42361262077 is 77026216324.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35039721721 + 7321540356 = 187189^2 + 85566^2 .

It is a cyclic number.

It is not a de Polignac number, because 42361262077 - 2²³ = 42352873469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42361265077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21180631038 + 21180631039.

It is an arithmetic number, because the mean of its divisors is an integer number (21180631039).

Almost surely, 2^42361262077 is an apocalyptic number.

It is an amenable number.

42361262077 is a deficient number, since it is larger than the sum of its proper divisors (1).

42361262077 is an equidigital number, since it uses as much as digits as its factorization.

42361262077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 169344, while the sum is 40.

The spelling of 42361262077 in words is "forty-two billion, three hundred sixty-one million, two hundred sixty-two thousand, seventy-seven".