6549754258078 has 16 divisors (see below), whose sum is σ = 9927063785520. Its totient is φ = 3240740802816.

The previous prime is 6549754258039. The next prime is 6549754258133. The reversal of 6549754258078 is 8708524579456.

It is a junction number, because it is equal to n+sod(n) for n = 6549754257998 and 6549754258016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 265476 + ... + 3629047.

It is an arithmetic number, because the mean of its divisors is an integer number (620441486595).

Almost surely, 2^{6549754258078} is an apocalyptic number.

6549754258078 is a deficient number, since it is larger than the sum of its proper divisors (3377309527442).

6549754258078 is a wasteful number, since it uses less digits than its factorization.

6549754258078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3903291.

The product of its (nonzero) digits is 677376000, while the sum is 70.

The spelling of 6549754258078 in words is "six trillion, five hundred forty-nine billion, seven hundred fifty-four million, two hundred fifty-eight thousand, seventy-eight".