5490781903686 has 32 divisors (see below), whose sum is σ = 11250331991136. Its totient is φ = 1785473280000.

The previous prime is 5490781903681. The next prime is 5490781903697. The reversal of 5490781903686 is 6863091870945.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5490781903681) 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, 2099586 + ... + 3922986.

It is an arithmetic number, because the mean of its divisors is an integer number (351572874723).

Almost surely, 2^{5490781903686} is an apocalyptic number.

5490781903686 is an abundant number, since it is smaller than the sum of its proper divisors (5759550087450).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5490781903686 is a wasteful number, since it uses less digits than its factorization.

5490781903686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1835688.

The product of its (nonzero) digits is 78382080, while the sum is 66.

The spelling of 5490781903686 in words is "five trillion, four hundred ninety billion, seven hundred eighty-one million, nine hundred three thousand, six hundred eighty-six".