2698144231 has 4 divisors (see below), whose sum is σ = 2699204464. Its totient is φ = 2697084000.

The previous prime is 2698144223. The next prime is 2698144259. The reversal of 2698144231 is 1324418962.

2698144231 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, and also an emirpimes, since its reverse is a distinct semiprime: 1324418962 = 2 ⋅662209481.

It is a cyclic number.

It is not a de Polignac number, because 2698144231 - 2³ = 2698144223 is a prime.

It is a super-2 number, since 2×2698144231² = 14559964582557162722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2698144271) 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, 526290 + ... + 531391.

It is an arithmetic number, because the mean of its divisors is an integer number (674801116).

Almost surely, 2^2698144231 is an apocalyptic number.

2698144231 is a deficient number, since it is larger than the sum of its proper divisors (1060233).

2698144231 is a wasteful number, since it uses less digits than its factorization.

2698144231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1060232.

The product of its digits is 82944, while the sum is 40.

The square root of 2698144231 is about 51943.6640120814. The cubic root of 2698144231 is about 1392.1575504213.

The spelling of 2698144231 in words is "two billion, six hundred ninety-eight million, one hundred forty-four thousand, two hundred thirty-one".