6492542178886 has 4 divisors (see below), whose sum is σ = 9738813268332. Its totient is φ = 3246271089442.

The previous prime is 6492542178809. The next prime is 6492542178893. The reversal of 6492542178886 is 6888712452946.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×6492542178886² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1623135544720 + ... + 1623135544723.

It is an arithmetic number, because the mean of its divisors is an integer number (2434703317083).

Almost surely, 2^{6492542178886} is an apocalyptic number.

6492542178886 is a deficient number, since it is larger than the sum of its proper divisors (3246271089446).

6492542178886 is a wasteful number, since it uses less digits than its factorization.

6492542178886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3246271089445.

The product of its digits is 371589120, while the sum is 70.

The spelling of 6492542178886 in words is "six trillion, four hundred ninety-two billion, five hundred forty-two million, one hundred seventy-eight thousand, eight hundred eighty-six".