2698459481 has 4 divisors (see below), whose sum is σ = 2723216100. Its totient is φ = 2673702864.

The previous prime is 2698459447. The next prime is 2698459507. The reversal of 2698459481 is 1849548962.

2698459481 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1121178256 + 1577281225 = 33484^2 + 39715^2 .

It is a cyclic number.

It is not a de Polignac number, because 2698459481 - 2⁶ = 2698459417 is a prime.

It is a super-2 number, since 2×2698459481² = 14563367141197578722, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2698452481) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12378146 + ... + 12378363.

It is an arithmetic number, because the mean of its divisors is an integer number (680804025).

Almost surely, 2^2698459481 is an apocalyptic number.

It is an amenable number.

2698459481 is a deficient number, since it is larger than the sum of its proper divisors (24756619).

2698459481 is a wasteful number, since it uses less digits than its factorization.

2698459481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24756618.

The product of its digits is 4976640, while the sum is 56.

The square root of 2698459481 is about 51946.6984610187. The cubic root of 2698459481 is about 1392.2117680043.

The spelling of 2698459481 in words is "two billion, six hundred ninety-eight million, four hundred fifty-nine thousand, four hundred eighty-one".