2453868815 has 8 divisors (see below), whose sum is σ = 2950692000. Its totient is φ = 1959062112.

The previous prime is 2453868763. The next prime is 2453868853. The reversal of 2453868815 is 5188683542.

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 2453868815 - 2²⁶ = 2386759951 is a prime.

It is a super-2 number, since 2×2453868815² = 12042944322459008450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 501440 + ... + 506309.

It is an arithmetic number, because the mean of its divisors is an integer number (368836500).

Almost surely, 2^2453868815 is an apocalyptic number.

2453868815 is a deficient number, since it is larger than the sum of its proper divisors (496823185).

2453868815 is a wasteful number, since it uses less digits than its factorization.

2453868815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1008241.

The product of its digits is 1843200, while the sum is 50.

The square root of 2453868815 is about 49536.5402001391. The cubic root of 2453868815 is about 1348.8089751443.

The spelling of 2453868815 in words is "two billion, four hundred fifty-three million, eight hundred sixty-eight thousand, eight hundred fifteen".