42581230667 has 2 divisors, whose sum is σ = 42581230668. Its totient is φ = 42581230666.

The previous prime is 42581230651. The next prime is 42581230789. The reversal of 42581230667 is 76603218524.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42581230667 - 2⁴ = 42581230651 is a prime.

It is a super-2 number, since 2×42581230667² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (42581236667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21290615333 + 21290615334.

It is an arithmetic number, because the mean of its divisors is an integer number (21290615334).

Almost surely, 2^42581230667 is an apocalyptic number.

42581230667 is a deficient number, since it is larger than the sum of its proper divisors (1).

42581230667 is an equidigital number, since it uses as much as digits as its factorization.

42581230667 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 483840, while the sum is 44.

The spelling of 42581230667 in words is "forty-two billion, five hundred eighty-one million, two hundred thirty thousand, six hundred sixty-seven".