899494492064 has 24 divisors (see below), whose sum is σ = 2023862607648. Its totient is φ = 385497639360.

The previous prime is 899494492033. The next prime is 899494492081. The reversal of 899494492064 is 460294494998.

It is a junction number, because it is equal to n+sod(n) for n = 899494491985 and 899494492003.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2007799982 + ... + 2007800429.

It is an arithmetic number, because the mean of its divisors is an integer number (84327608652).

Almost surely, 2^899494492064 is an apocalyptic number.

It is an amenable number.

899494492064 is an abundant number, since it is smaller than the sum of its proper divisors (1124368115584).

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

899494492064 is a wasteful number, since it uses less digits than its factorization.

899494492064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4015600428 (or 4015600420 counting only the distinct ones).

The product of its (nonzero) digits is 161243136, while the sum is 68.

The spelling of 899494492064 in words is "eight hundred ninety-nine billion, four hundred ninety-four million, four hundred ninety-two thousand, sixty-four".