6454399652 has 12 divisors (see below), whose sum is σ = 11301002496. Its totient is φ = 3225541800.

The previous prime is 6454399649. The next prime is 6454399667. The reversal of 6454399652 is 2569934546.

It is a happy number.

It is a super-2 number, since 2×6454399652² = 83318549735475442208, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6454399594 and 6454399603.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 405728 + ... + 421335.

It is an arithmetic number, because the mean of its divisors is an integer number (941750208).

Almost surely, 2^6454399652 is an apocalyptic number.

It is an amenable number.

6454399652 is a deficient number, since it is larger than the sum of its proper divisors (4846602844).

6454399652 is a wasteful number, since it uses less digits than its factorization.

6454399652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 829018 (or 829016 counting only the distinct ones).

The product of its digits is 6998400, while the sum is 53.

The square root of 6454399652 is about 80339.2783885940. The cubic root of 6454399652 is about 1861.8811326570.

The spelling of 6454399652 in words is "six billion, four hundred fifty-four million, three hundred ninety-nine thousand, six hundred fifty-two".