4536287077561 has 2 divisors, whose sum is σ = 4536287077562. Its totient is φ = 4536287077560.

The previous prime is 4536287077523. The next prime is 4536287077577. The reversal of 4536287077561 is 1657707826354.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4536069338025 + 217739536 = 2129805^2 + 14756^2 .

It is a cyclic number.

It is not a de Polignac number, because 4536287077561 - 2¹¹ = 4536287075513 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4536287077561.

It is not a weakly prime, because it can be changed into another prime (4536287087561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2268143538780 + 2268143538781.

It is an arithmetic number, because the mean of its divisors is an integer number (2268143538781).

Almost surely, 2^{4536287077561} is an apocalyptic number.

It is an amenable number.

4536287077561 is a deficient number, since it is larger than the sum of its proper divisors (1).

4536287077561 is an equidigital number, since it uses as much as digits as its factorization.

4536287077561 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 59270400, while the sum is 61.

The spelling of 4536287077561 in words is "four trillion, five hundred thirty-six billion, two hundred eighty-seven million, seventy-seven thousand, five hundred sixty-one".