6454746068 has 6 divisors (see below), whose sum is σ = 11295805626. Its totient is φ = 3227373032.

The previous prime is 6454746043. The next prime is 6454746091. The reversal of 6454746068 is 8606474546.

It can be written as a sum of positive squares in only one way, i.e., 3900252304 + 2554493764 = 62452^2 + 50542^2 .

It is a super-2 number, since 2×6454746068² = 83327493604722921248, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 806843255 + ... + 806843262.

It is an arithmetic number, because the mean of its divisors is an integer number (1882634271).

Almost surely, 2^6454746068 is an apocalyptic number.

It is an amenable number.

6454746068 is a deficient number, since it is larger than the sum of its proper divisors (4841059558).

6454746068 is a wasteful number, since it uses less digits than its factorization.

6454746068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1613686521 (or 1613686519 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 50.

The square root of 6454746068 is about 80341.4343162978. The cubic root of 6454746068 is about 1861.9144419194.

The spelling of 6454746068 in words is "six billion, four hundred fifty-four million, seven hundred forty-six thousand, sixty-eight".