42361987067 has 2 divisors, whose sum is σ = 42361987068. Its totient is φ = 42361987066.

The previous prime is 42361987051. The next prime is 42361987099. The reversal of 42361987067 is 76078916324.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42361987067 - 2⁴ = 42361987051 is a prime.

It is not a weakly prime, because it can be changed into another prime (42361927067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21180993533 + 21180993534.

It is an arithmetic number, because the mean of its divisors is an integer number (21180993534).

Almost surely, 2^42361987067 is an apocalyptic number.

42361987067 is a deficient number, since it is larger than the sum of its proper divisors (1).

42361987067 is an equidigital number, since it uses as much as digits as its factorization.

42361987067 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3048192, while the sum is 53.

The spelling of 42361987067 in words is "forty-two billion, three hundred sixty-one million, nine hundred eighty-seven thousand, sixty-seven".