2391853539 has 32 divisors (see below), whose sum is σ = 3409620480. Its totient is φ = 1486234112.

The previous prime is 2391853489. The next prime is 2391853549. The reversal of 2391853539 is 9353581932.

It is not a de Polignac number, because 2391853539 - 2⁷ = 2391853411 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2391853549) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3696514 + ... + 3697160.

It is an arithmetic number, because the mean of its divisors is an integer number (106550640).

Almost surely, 2^2391853539 is an apocalyptic number.

2391853539 is a deficient number, since it is larger than the sum of its proper divisors (1017766941).

2391853539 is a wasteful number, since it uses less digits than its factorization.

2391853539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1259.

The product of its digits is 874800, while the sum is 48.

The square root of 2391853539 is about 48906.5797107097. The cubic root of 2391853539 is about 1337.3493192001.

The spelling of 2391853539 in words is "two billion, three hundred ninety-one million, eight hundred fifty-three thousand, five hundred thirty-nine".