5436927748261 has 2 divisors, whose sum is σ = 5436927748262. Its totient is φ = 5436927748260.

The previous prime is 5436927748183. The next prime is 5436927748267. The reversal of 5436927748261 is 1628477296345.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3836211890625 + 1600715857636 = 1958625^2 + 1265194^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5436927748261 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5436927748193 and 5436927748202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5436927748267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2718463874130 + 2718463874131.

It is an arithmetic number, because the mean of its divisors is an integer number (2718463874131).

Almost surely, 2^{5436927748261} is an apocalyptic number.

It is an amenable number.

5436927748261 is a deficient number, since it is larger than the sum of its proper divisors (1).

5436927748261 is an equidigital number, since it uses as much as digits as its factorization.

5436927748261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 121927680, while the sum is 64.

The spelling of 5436927748261 in words is "five trillion, four hundred thirty-six billion, nine hundred twenty-seven million, seven hundred forty-eight thousand, two hundred sixty-one".