7971545503741 has 4 divisors (see below), whose sum is σ = 7971637368412. Its totient is φ = 7971453639072.

The previous prime is 7971545503723. The next prime is 7971545503759. The reversal of 7971545503741 is 1473055451797.

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

It is an interprime number because it is at equal distance from previous prime (7971545503723) and next prime (7971545503759).

It can be written as a sum of positive squares in 2 ways, for example, as 5803521902500 + 2168023601241 = 2409050^2 + 1472421^2 .

It is a cyclic number.

It is not a de Polignac number, because 7971545503741 - 2³⁷ = 7834106550269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7971545503771) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45802050 + ... + 45975763.

It is an arithmetic number, because the mean of its divisors is an integer number (1992909342103).

Almost surely, 2^{7971545503741} is an apocalyptic number.

It is an amenable number.

7971545503741 is a deficient number, since it is larger than the sum of its proper divisors (91864671).

7971545503741 is an equidigital number, since it uses as much as digits as its factorization.

7971545503741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91864670.

The product of its (nonzero) digits is 18522000, while the sum is 58.

The spelling of 7971545503741 in words is "seven trillion, nine hundred seventy-one billion, five hundred forty-five million, five hundred three thousand, seven hundred forty-one".