142344007969 has 2 divisors, whose sum is σ = 142344007970. Its totient is φ = 142344007968.

The previous prime is 142344007961. The next prime is 142344007973. The reversal of 142344007969 is 969700443241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 142249665600 + 94342369 = 377160^2 + 9713^2 .

It is a cyclic number.

It is not a de Polignac number, because 142344007969 - 2³ = 142344007961 is a prime.

It is a super-2 number, since 2×142344007969² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (142344007961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71172003984 + 71172003985.

It is an arithmetic number, because the mean of its divisors is an integer number (71172003985).

Almost surely, 2^142344007969 is an apocalyptic number.

It is an amenable number.

142344007969 is a deficient number, since it is larger than the sum of its proper divisors (1).

142344007969 is an equidigital number, since it uses as much as digits as its factorization.

142344007969 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1306368, while the sum is 49.

The spelling of 142344007969 in words is "one hundred forty-two billion, three hundred forty-four million, seven thousand, nine hundred sixty-nine".