7646256367025 has 6 divisors (see below), whose sum is σ = 9481357895142. Its totient is φ = 6117005093600.

The previous prime is 7646256367003. The next prime is 7646256367039. The reversal of 7646256367025 is 5207636526467.

It can be written as a sum of positive squares in 3 ways, for example, as 79702323856 + 7566554043169 = 282316^2 + 2750737^2 .

It is not a de Polignac number, because 7646256367025 - 2⁶ = 7646256366961 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 152925127316 + ... + 152925127365.

It is an arithmetic number, because the mean of its divisors is an integer number (1580226315857).

Almost surely, 2^{7646256367025} is an apocalyptic number.

It is an amenable number.

7646256367025 is a deficient number, since it is larger than the sum of its proper divisors (1835101528117).

7646256367025 is a wasteful number, since it uses less digits than its factorization.

7646256367025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305850254691 (or 305850254686 counting only the distinct ones).

The product of its (nonzero) digits is 76204800, while the sum is 59.

The spelling of 7646256367025 in words is "seven trillion, six hundred forty-six billion, two hundred fifty-six million, three hundred sixty-seven thousand, twenty-five".