2158827451 has 8 divisors (see below), whose sum is σ = 2355554304. Its totient is φ = 1962178920.

The previous prime is 2158827439. The next prime is 2158827457. The reversal of 2158827451 is 1547288512.

2158827451 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2158827451 - 2²⁷ = 2024609723 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2158827398 and 2158827407.

It is not an unprimeable number, because it can be changed into a prime (2158827457) 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, 48310 + ... + 81556.

It is an arithmetic number, because the mean of its divisors is an integer number (294444288).

Almost surely, 2^2158827451 is an apocalyptic number.

2158827451 is a deficient number, since it is larger than the sum of its proper divisors (196726853).

2158827451 is a wasteful number, since it uses less digits than its factorization.

2158827451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39161.

The product of its digits is 179200, while the sum is 43.

The square root of 2158827451 is about 46463.1838233240. The cubic root of 2158827451 is about 1292.4268661035.

The spelling of 2158827451 in words is "two billion, one hundred fifty-eight million, eight hundred twenty-seven thousand, four hundred fifty-one".