142011421967 has 2 divisors, whose sum is σ = 142011421968. Its totient is φ = 142011421966.

The previous prime is 142011421831. The next prime is 142011422041. The reversal of 142011421967 is 769124110241.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 142011421967 - 2¹² = 142011417871 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 142011421967.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142011421267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71005710983 + 71005710984.

It is an arithmetic number, because the mean of its divisors is an integer number (71005710984).

Almost surely, 2^142011421967 is an apocalyptic number.

142011421967 is a deficient number, since it is larger than the sum of its proper divisors (1).

142011421967 is an equidigital number, since it uses as much as digits as its factorization.

142011421967 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 38.

The spelling of 142011421967 in words is "one hundred forty-two billion, eleven million, four hundred twenty-one thousand, nine hundred sixty-seven".