7319845541 has 2 divisors, whose sum is σ = 7319845542. Its totient is φ = 7319845540.

The previous prime is 7319845537. The next prime is 7319845549. The reversal of 7319845541 is 1455489137.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4064572516 + 3255273025 = 63754^2 + 57055^2 .

It is a cyclic number.

It is not a de Polignac number, because 7319845541 - 2² = 7319845537 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7319845549) by changing a digit.

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 as a sum of consecutive naturals, namely, 3659922770 + 3659922771.

It is an arithmetic number, because the mean of its divisors is an integer number (3659922771).

Almost surely, 2^7319845541 is an apocalyptic number.

It is an amenable number.

7319845541 is a deficient number, since it is larger than the sum of its proper divisors (1).

7319845541 is an equidigital number, since it uses as much as digits as its factorization.

7319845541 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 604800, while the sum is 47.

The square root of 7319845541 is about 85556.0958728249. The cubic root of 7319845541 is about 1941.6337197387.

The spelling of 7319845541 in words is "seven billion, three hundred nineteen million, eight hundred forty-five thousand, five hundred forty-one".