5615322640673 has 2 divisors, whose sum is σ = 5615322640674. Its totient is φ = 5615322640672.

The previous prime is 5615322640661. The next prime is 5615322640691. The reversal of 5615322640673 is 3760462235165.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5579643964129 + 35678676544 = 2362127^2 + 188888^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5615322640673 is a prime.

It is not a weakly prime, because it can be changed into another prime (5615322640693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2807661320336 + 2807661320337.

It is an arithmetic number, because the mean of its divisors is an integer number (2807661320337).

Almost surely, 2^{5615322640673} is an apocalyptic number.

It is an amenable number.

5615322640673 is a deficient number, since it is larger than the sum of its proper divisors (1).

5615322640673 is an equidigital number, since it uses as much as digits as its factorization.

5615322640673 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5443200, while the sum is 50.

The spelling of 5615322640673 in words is "five trillion, six hundred fifteen billion, three hundred twenty-two million, six hundred forty thousand, six hundred seventy-three".