6454999669986 has 48 divisors (see below), whose sum is σ = 16499415449088. Its totient is φ = 1784792534400.

The previous prime is 6454999669973. The next prime is 6454999670069. The reversal of 6454999669986 is 6899669994546.

6454999669986 is a `hidden beast` number, since 6 + 454 + 9 + 9 + 9 + 6 + 69 + 98 + 6 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 6454999669896 and 6454999669905.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 826288935 + ... + 826296746.

It is an arithmetic number, because the mean of its divisors is an integer number (343737821856).

Almost surely, 2^{6454999669986} is an apocalyptic number.

6454999669986 is an abundant number, since it is smaller than the sum of its proper divisors (10044415779102).

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

6454999669986 is a wasteful number, since it uses less digits than its factorization.

6454999669986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1652585727 (or 1652585724 counting only the distinct ones).

The product of its digits is 48977602560, while the sum is 90.

The spelling of 6454999669986 in words is "six trillion, four hundred fifty-four billion, nine hundred ninety-nine million, six hundred sixty-nine thousand, nine hundred eighty-six".