142764242632691 has 2 divisors, whose sum is σ = 142764242632692. Its totient is φ = 142764242632690.

The previous prime is 142764242632681. The next prime is 142764242632709. The reversal of 142764242632691 is 196236242467241.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142764242632691 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 142764242632691.

It is not a weakly prime, because it can be changed into another prime (142764242632681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71382121316345 + 71382121316346.

It is an arithmetic number, because the mean of its divisors is an integer number (71382121316346).

Almost surely, 2^{142764242632691} is an apocalyptic number.

142764242632691 is a deficient number, since it is larger than the sum of its proper divisors (1).

142764242632691 is an equidigital number, since it uses as much as digits as its factorization.

142764242632691 is an evil number, because the sum of its binary digits is even.

The product of its digits is 41803776, while the sum is 59.

The spelling of 142764242632691 in words is "one hundred forty-two trillion, seven hundred sixty-four billion, two hundred forty-two million, six hundred thirty-two thousand, six hundred ninety-one".