2539153645 has 8 divisors (see below), whose sum is σ = 3482267904. Its totient is φ = 1741133904.

The previous prime is 2539153619. The next prime is 2539153651. The reversal of 2539153645 is 5463519352.

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 2539153645 - 2¹¹ = 2539151597 is a prime.

It is a super-3 number, since 3×2539153645³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36273589 + ... + 36273658.

It is an arithmetic number, because the mean of its divisors is an integer number (435283488).

Almost surely, 2^2539153645 is an apocalyptic number.

It is an amenable number.

2539153645 is a deficient number, since it is larger than the sum of its proper divisors (943114259).

2539153645 is an equidigital number, since it uses as much as digits as its factorization.

2539153645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72547259.

The product of its digits is 486000, while the sum is 43.

The square root of 2539153645 is about 50390.0153304204. The cubic root of 2539153645 is about 1364.2574277343.

The spelling of 2539153645 in words is "two billion, five hundred thirty-nine million, one hundred fifty-three thousand, six hundred forty-five".