4964718794521 has 2 divisors, whose sum is σ = 4964718794522. Its totient is φ = 4964718794520.

The previous prime is 4964718794501. The next prime is 4964718794533. The reversal of 4964718794521 is 1254978174694.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2816556627600 + 2148162166921 = 1678260^2 + 1465661^2 .

It is a cyclic number.

It is not a de Polignac number, because 4964718794521 - 2¹⁹ = 4964718270233 is a prime.

It is not a weakly prime, because it can be changed into another prime (4964718794501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2482359397260 + 2482359397261.

It is an arithmetic number, because the mean of its divisors is an integer number (2482359397261).

Almost surely, 2^{4964718794521} is an apocalyptic number.

It is an amenable number.

4964718794521 is a deficient number, since it is larger than the sum of its proper divisors (1).

4964718794521 is an equidigital number, since it uses as much as digits as its factorization.

4964718794521 is an evil number, because the sum of its binary digits is even.

The product of its digits is 121927680, while the sum is 67.

The spelling of 4964718794521 in words is "four trillion, nine hundred sixty-four billion, seven hundred eighteen million, seven hundred ninety-four thousand, five hundred twenty-one".