6454455105648 has 80 divisors (see below), whose sum is σ = 19259817935616. Its totient is φ = 1840842808320.

The previous prime is 6454455105647. The next prime is 6454455105671. The reversal of 6454455105648 is 8465015544546.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6454455105647) 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, 359530636 + ... + 359548587.

Almost surely, 2^{6454455105648} is an apocalyptic number.

6454455105648 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

6454455105648 is an abundant number, since it is smaller than the sum of its proper divisors (12805362829968).

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

6454455105648 is a wasteful number, since it uses less digits than its factorization.

6454455105648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 719079262 (or 719079256 counting only the distinct ones).

The product of its (nonzero) digits is 46080000, while the sum is 57.

The spelling of 6454455105648 in words is "six trillion, four hundred fifty-four billion, four hundred fifty-five million, one hundred five thousand, six hundred forty-eight".