7141577321 has 2 divisors, whose sum is σ = 7141577322. Its totient is φ = 7141577320.

The previous prime is 7141577293. The next prime is 7141577347. The reversal of 7141577321 is 1237751417.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5775240025 + 1366337296 = 75995^2 + 36964^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7141577321 is a prime.

It is not a weakly prime, because it can be changed into another prime (7141577621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3570788660 + 3570788661.

It is an arithmetic number, because the mean of its divisors is an integer number (3570788661).

Almost surely, 2^7141577321 is an apocalyptic number.

It is an amenable number.

7141577321 is a deficient number, since it is larger than the sum of its proper divisors (1).

7141577321 is an equidigital number, since it uses as much as digits as its factorization.

7141577321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 41160, while the sum is 38.

The square root of 7141577321 is about 84507.8536054490. The cubic root of 7141577321 is about 1925.7417568488.

The spelling of 7141577321 in words is "seven billion, one hundred forty-one million, five hundred seventy-seven thousand, three hundred twenty-one".