2761506481 has 2 divisors, whose sum is σ = 2761506482. Its totient is φ = 2761506480.

The previous prime is 2761506463. The next prime is 2761506491. The reversal of 2761506481 is 1846051672.

2761506481 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1990944400 + 770562081 = 44620^2 + 27759^2 .

It is a cyclic number.

It is not a de Polignac number, because 2761506481 - 2¹⁵ = 2761473713 is a prime.

It is a super-2 number, since 2×2761506481² = 15251836089210006722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2761506491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1380753240 + 1380753241.

It is an arithmetic number, because the mean of its divisors is an integer number (1380753241).

Almost surely, 2^2761506481 is an apocalyptic number.

It is an amenable number.

2761506481 is a deficient number, since it is larger than the sum of its proper divisors (1).

2761506481 is an equidigital number, since it uses as much as digits as its factorization.

2761506481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 80640, while the sum is 40.

The square root of 2761506481 is about 52550.0378781976. The cubic root of 2761506481 is about 1402.9709834112.

The spelling of 2761506481 in words is "two billion, seven hundred sixty-one million, five hundred six thousand, four hundred eighty-one".