6454404353994 has 16 divisors (see below), whose sum is σ = 13127602076640. Its totient is φ = 2115002556560.

The previous prime is 6454404353993. The next prime is 6454404354017. The reversal of 6454404353994 is 4993534044546.

It is not an unprimeable number, because it can be changed into a prime (6454404353993) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9116389977 + ... + 9116390684.

It is an arithmetic number, because the mean of its divisors is an integer number (820475129790).

Almost surely, 2^{6454404353994} is an apocalyptic number.

6454404353994 is an abundant number, since it is smaller than the sum of its proper divisors (6673197722646).

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

6454404353994 is a wasteful number, since it uses less digits than its factorization.

6454404353994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18232780725.

The product of its (nonzero) digits is 111974400, while the sum is 60.

The spelling of 6454404353994 in words is "six trillion, four hundred fifty-four billion, four hundred four million, three hundred fifty-three thousand, nine hundred ninety-four".