7564056163973 has 2 divisors, whose sum is σ = 7564056163974. Its totient is φ = 7564056163972.

The previous prime is 7564056163957. The next prime is 7564056163991. The reversal of 7564056163973 is 3793616504657.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7516140267364 + 47915896609 = 2741558^2 + 218897^2 .

It is a cyclic number.

It is not a de Polignac number, because 7564056163973 - 2⁴ = 7564056163957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7564056163273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3782028081986 + 3782028081987.

It is an arithmetic number, because the mean of its divisors is an integer number (3782028081987).

Almost surely, 2^{7564056163973} is an apocalyptic number.

It is an amenable number.

7564056163973 is a deficient number, since it is larger than the sum of its proper divisors (1).

7564056163973 is an equidigital number, since it uses as much as digits as its factorization.

7564056163973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 85730400, while the sum is 62.

The spelling of 7564056163973 in words is "seven trillion, five hundred sixty-four billion, fifty-six million, one hundred sixty-three thousand, nine hundred seventy-three".