2152479389 has 8 divisors (see below), whose sum is σ = 2229830400. Its totient is φ = 2075623200.

The previous prime is 2152479313. The next prime is 2152479409. The reversal of 2152479389 is 9839742512.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2152479389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2152479689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114839 + ... + 132260.

It is an arithmetic number, because the mean of its divisors is an integer number (278728800).

Almost surely, 2^2152479389 is an apocalyptic number.

It is an amenable number.

2152479389 is a deficient number, since it is larger than the sum of its proper divisors (77351011).

2152479389 is a wasteful number, since it uses less digits than its factorization.

2152479389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247411.

The product of its digits is 1088640, while the sum is 50.

The square root of 2152479389 is about 46394.8207130925. The cubic root of 2152479389 is about 1291.1588226943.

The spelling of 2152479389 in words is "two billion, one hundred fifty-two million, four hundred seventy-nine thousand, three hundred eighty-nine".