6542861031783 has 6 divisors (see below), whose sum is σ = 9450799268144. Its totient is φ = 4361907354516.

The previous prime is 6542861031767. The next prime is 6542861031829. The reversal of 6542861031783 is 3871301682456.

6542861031783 is a `hidden beast` number, since 6 + 5 + 4 + 2 + 8 + 610 + 3 + 17 + 8 + 3 = 666.

It is not a de Polignac number, because 6542861031783 - 2⁴ = 6542861031767 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 (6542861031283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 363492279535 + ... + 363492279552.

Almost surely, 2^{6542861031783} is an apocalyptic number.

6542861031783 is a deficient number, since it is larger than the sum of its proper divisors (2907938236361).

6542861031783 is a wasteful number, since it uses less digits than its factorization.

6542861031783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 726984559093 (or 726984559090 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 54.

The spelling of 6542861031783 in words is "six trillion, five hundred forty-two billion, eight hundred sixty-one million, thirty-one thousand, seven hundred eighty-three".