3143742241785 has 16 divisors (see below), whose sum is σ = 5248682699904. Its totient is φ = 1603764157952.

The previous prime is 3143742241687. The next prime is 3143742241817. The reversal of 3143742241785 is 5871422473413.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 3143742241785 - 2⁸ = 3143742241529 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4556147832 + ... + 4556148521.

It is an arithmetic number, because the mean of its divisors is an integer number (328042668744).

Almost surely, 2^{3143742241785} is an apocalyptic number.

It is an amenable number.

3143742241785 is a deficient number, since it is larger than the sum of its proper divisors (2104940458119).

3143742241785 is a wasteful number, since it uses less digits than its factorization.

3143742241785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9112296384.

The product of its digits is 4515840, while the sum is 51.

The spelling of 3143742241785 in words is "three trillion, one hundred forty-three billion, seven hundred forty-two million, two hundred forty-one thousand, seven hundred eighty-five".