2052479891 has 8 divisors (see below), whose sum is σ = 2558936064. Its totient is φ = 1599334920.

The previous prime is 2052479839. The next prime is 2052479903. The reversal of 2052479891 is 1989742502.

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 2052479891 - 2¹⁴ = 2052463507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2052479491) 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, 13327715 + ... + 13327868.

It is an arithmetic number, because the mean of its divisors is an integer number (319867008).

Almost surely, 2^2052479891 is an apocalyptic number.

2052479891 is a deficient number, since it is larger than the sum of its proper divisors (506456173).

2052479891 is a wasteful number, since it uses less digits than its factorization.

2052479891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26655601.

The product of its (nonzero) digits is 362880, while the sum is 47.

The square root of 2052479891 is about 45304.3032282806. The cubic root of 2052479891 is about 1270.8461286475.

The spelling of 2052479891 in words is "two billion, fifty-two million, four hundred seventy-nine thousand, eight hundred ninety-one".