2678473281 has 8 divisors (see below), whose sum is σ = 3895961184. Its totient is φ = 1623317120.

The previous prime is 2678473261. The next prime is 2678473283. The reversal of 2678473281 is 1823748762.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2678473281 - 2⁷ = 2678473153 is a prime.

It is a super-2 number, since 2×2678473281² = 14348438234061809922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2678473281.

It is not an unprimeable number, because it can be changed into a prime (2678473283) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40582896 + ... + 40582961.

It is an arithmetic number, because the mean of its divisors is an integer number (486995148).

Almost surely, 2^2678473281 is an apocalyptic number.

It is an amenable number.

2678473281 is a deficient number, since it is larger than the sum of its proper divisors (1217487903).

2678473281 is a wasteful number, since it uses less digits than its factorization.

2678473281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81165871.

The product of its digits is 903168, while the sum is 48.

The square root of 2678473281 is about 51753.9687463677. The cubic root of 2678473281 is about 1388.7660980272.

The spelling of 2678473281 in words is "two billion, six hundred seventy-eight million, four hundred seventy-three thousand, two hundred eighty-one".