2127455451 has 12 divisors (see below), whose sum is σ = 3352354200. Its totient is φ = 1289366880.

The previous prime is 2127455443. The next prime is 2127455461. The reversal of 2127455451 is 1545547212.

It is not a de Polignac number, because 2127455451 - 2³ = 2127455443 is a prime.

It is a super-2 number, since 2×2127455451² = 9052133391979226802, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2127455411) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10744626 + ... + 10744823.

It is an arithmetic number, because the mean of its divisors is an integer number (279362850).

Almost surely, 2^2127455451 is an apocalyptic number.

2127455451 is a deficient number, since it is larger than the sum of its proper divisors (1224898749).

2127455451 is a wasteful number, since it uses less digits than its factorization.

2127455451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21489466 (or 21489463 counting only the distinct ones).

The product of its digits is 56000, while the sum is 36.

The square root of 2127455451 is about 46124.3477027047. The cubic root of 2127455451 is about 1286.1357934224.

It can be divided in two parts, 21 and 27455451, that added together give a palindrome (27455472).

The spelling of 2127455451 in words is "two billion, one hundred twenty-seven million, four hundred fifty-five thousand, four hundred fifty-one".