7901597141 has 2 divisors, whose sum is σ = 7901597142. Its totient is φ = 7901597140.

The previous prime is 7901597129. The next prime is 7901597147. The reversal of 7901597141 is 1417951097.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6817804900 + 1083792241 = 82570^2 + 32921^2 .

It is an emirp because it is prime and its reverse (1417951097) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7901597141 - 2¹⁰ = 7901596117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7901597092 and 7901597101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7901597147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3950798570 + 3950798571.

It is an arithmetic number, because the mean of its divisors is an integer number (3950798571).

Almost surely, 2^7901597141 is an apocalyptic number.

It is an amenable number.

7901597141 is a deficient number, since it is larger than the sum of its proper divisors (1).

7901597141 is an equidigital number, since it uses as much as digits as its factorization.

7901597141 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 79380, while the sum is 44.

The square root of 7901597141 is about 88890.9283391731. The cubic root of 7901597141 is about 1991.7659081384.

The spelling of 7901597141 in words is "seven billion, nine hundred one million, five hundred ninety-seven thousand, one hundred forty-one".