2693553481 has 2 divisors, whose sum is σ = 2693553482. Its totient is φ = 2693553480.

The previous prime is 2693553461. The next prime is 2693553493. The reversal of 2693553481 is 1843553962.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2586637881 + 106915600 = 50859^2 + 10340^2 .

It is a cyclic number.

It is not a de Polignac number, because 2693553481 - 2¹⁹ = 2693029193 is a prime.

It is a super-2 number, since 2×2693553481² = 14510460710014434722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2693553461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1346776740 + 1346776741.

It is an arithmetic number, because the mean of its divisors is an integer number (1346776741).

Almost surely, 2^2693553481 is an apocalyptic number.

It is an amenable number.

2693553481 is a deficient number, since it is larger than the sum of its proper divisors (1).

2693553481 is an equidigital number, since it uses as much as digits as its factorization.

2693553481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 777600, while the sum is 46.

The square root of 2693553481 is about 51899.4554981071. The cubic root of 2693553481 is about 1391.3675413344.

The spelling of 2693553481 in words is "two billion, six hundred ninety-three million, five hundred fifty-three thousand, four hundred eighty-one".