7925540793241 has 4 divisors (see below), whose sum is σ = 7927515763812. Its totient is φ = 7923565822672.

The previous prime is 7925540793229. The next prime is 7925540793263. The reversal of 7925540793241 is 1423970455297.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3989522869641 + 3936017923600 = 1997379^2 + 1983940^2 .

It is a cyclic number.

It is not a de Polignac number, because 7925540793241 - 2¹¹ = 7925540791193 is a prime.

It is a super-2 number, since 2×7925540793241² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7925540793941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 987479266 + ... + 987487291.

It is an arithmetic number, because the mean of its divisors is an integer number (1981878940953).

Almost surely, 2^{7925540793241} is an apocalyptic number.

It is an amenable number.

7925540793241 is a deficient number, since it is larger than the sum of its proper divisors (1974970571).

7925540793241 is a wasteful number, since it uses less digits than its factorization.

7925540793241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1974970570.

The product of its (nonzero) digits is 19051200, while the sum is 58.

The spelling of 7925540793241 in words is "seven trillion, nine hundred twenty-five billion, five hundred forty million, seven hundred ninety-three thousand, two hundred forty-one".