42361987607 has 2 divisors, whose sum is σ = 42361987608. Its totient is φ = 42361987606.

The previous prime is 42361987573. The next prime is 42361987631. The reversal of 42361987607 is 70678916324.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42361987607 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42361987697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21180993803 + 21180993804.

It is an arithmetic number, because the mean of its divisors is an integer number (21180993804).

Almost surely, 2^42361987607 is an apocalyptic number.

42361987607 is a deficient number, since it is larger than the sum of its proper divisors (1).

42361987607 is an equidigital number, since it uses as much as digits as its factorization.

42361987607 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 42361987607 in words is "forty-two billion, three hundred sixty-one million, nine hundred eighty-seven thousand, six hundred seven".