6454744066725 has 24 divisors (see below), whose sum is σ = 10671916388160. Its totient is φ = 3442506664320.

The previous prime is 6454744066699. The next prime is 6454744066741. The reversal of 6454744066725 is 5276604474546.

It is not a de Polignac number, because 6454744066725 - 2⁷ = 6454744066597 is a prime.

It is a congruent number.

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, 20671561 + ... + 20981489.

It is an arithmetic number, because the mean of its divisors is an integer number (444663182840).

Almost surely, 2^{6454744066725} is an apocalyptic number.

It is an amenable number.

6454744066725 is a deficient number, since it is larger than the sum of its proper divisors (4217172321435).

6454744066725 is a wasteful number, since it uses less digits than its factorization.

6454744066725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 587629 (or 587624 counting only the distinct ones).

The product of its (nonzero) digits is 135475200, while the sum is 60.

The spelling of 6454744066725 in words is "six trillion, four hundred fifty-four billion, seven hundred forty-four million, sixty-six thousand, seven hundred twenty-five".