142437726774647 has 16 divisors (see below), whose sum is σ = 147748271650848. Its totient is φ = 137218039580160.

The previous prime is 142437726774631. The next prime is 142437726774667. The reversal of 142437726774647 is 746477627734241.

It is a cyclic number.

It is not a de Polignac number, because 142437726774647 - 2⁴ = 142437726774631 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142437726774617) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 482985497 + ... + 483280317.

It is an arithmetic number, because the mean of its divisors is an integer number (9234266978178).

Almost surely, 2^{142437726774647} is an apocalyptic number.

142437726774647 is a deficient number, since it is larger than the sum of its proper divisors (5310544876201).

142437726774647 is a wasteful number, since it uses less digits than its factorization.

142437726774647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448850.

The product of its digits is 1858719744, while the sum is 71.

The spelling of 142437726774647 in words is "one hundred forty-two trillion, four hundred thirty-seven billion, seven hundred twenty-six million, seven hundred seventy-four thousand, six hundred forty-seven".