2538786455 has 8 divisors (see below), whose sum is σ = 3054584400. Its totient is φ = 2025668736.

The previous prime is 2538786449. The next prime is 2538786463. The reversal of 2538786455 is 5546878352.

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 2538786455 - 2²⁰ = 2537737879 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2538786397 and 2538786406.

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, 667970 + ... + 671759.

It is an arithmetic number, because the mean of its divisors is an integer number (381823050).

Almost surely, 2^2538786455 is an apocalyptic number.

2538786455 is a deficient number, since it is larger than the sum of its proper divisors (515797945).

2538786455 is a wasteful number, since it uses less digits than its factorization.

2538786455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1340113.

The product of its digits is 8064000, while the sum is 53.

The square root of 2538786455 is about 50386.3717189480. The cubic root of 2538786455 is about 1364.1916622728.

The spelling of 2538786455 in words is "two billion, five hundred thirty-eight million, seven hundred eighty-six thousand, four hundred fifty-five".