686363470922454 has 16 divisors (see below), whose sum is σ = 1478321321986992. Its totient is φ = 211188760283808.

The previous prime is 686363470922431. The next prime is 686363470922471. The reversal of 686363470922454 is 454229074363686.

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, 4399765839169 + ... + 4399765839324.

It is an arithmetic number, because the mean of its divisors is an integer number (92395082624187).

Almost surely, 2^{686363470922454} is an apocalyptic number.

686363470922454 is an abundant number, since it is smaller than the sum of its proper divisors (791957851064538).

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

686363470922454 is a wasteful number, since it uses less digits than its factorization.

686363470922454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8799531678511.

The product of its (nonzero) digits is 1254113280, while the sum is 69.

The spelling of 686363470922454 in words is "six hundred eighty-six trillion, three hundred sixty-three billion, four hundred seventy million, nine hundred twenty-two thousand, four hundred fifty-four".