2693469481 has 2 divisors, whose sum is σ = 2693469482. Its totient is φ = 2693469480.

The previous prime is 2693469473. The next prime is 2693469491. The reversal of 2693469481 is 1849643962.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2092239081 + 601230400 = 45741^2 + 24520^2 .

It is a cyclic number.

It is not a de Polignac number, because 2693469481 - 2³ = 2693469473 is a prime.

It is a super-2 number, since 2×2693469481² = 14509555690156818722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2693469421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1346734740 + 1346734741.

It is an arithmetic number, because the mean of its divisors is an integer number (1346734741).

Almost surely, 2^2693469481 is an apocalyptic number.

It is an amenable number.

2693469481 is a deficient number, since it is larger than the sum of its proper divisors (1).

2693469481 is an equidigital number, since it uses as much as digits as its factorization.

2693469481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2239488, while the sum is 52.

The square root of 2693469481 is about 51898.6462347526. The cubic root of 2693469481 is about 1391.3530776542.

The spelling of 2693469481 in words is "two billion, six hundred ninety-three million, four hundred sixty-nine thousand, four hundred eighty-one".