2127547451 has 2 divisors, whose sum is σ = 2127547452. Its totient is φ = 2127547450.

The previous prime is 2127547423. The next prime is 2127547459. The reversal of 2127547451 is 1547457212.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2127547451 is a prime.

It is not a weakly prime, because it can be changed into another prime (2127547459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1063773725 + 1063773726.

It is an arithmetic number, because the mean of its divisors is an integer number (1063773726).

Almost surely, 2^2127547451 is an apocalyptic number.

2127547451 is a deficient number, since it is larger than the sum of its proper divisors (1).

2127547451 is an equidigital number, since it uses as much as digits as its factorization.

2127547451 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 78400, while the sum is 38.

The square root of 2127547451 is about 46125.3449959998. The cubic root of 2127547451 is about 1286.1543324377.

The spelling of 2127547451 in words is "two billion, one hundred twenty-seven million, five hundred forty-seven thousand, four hundred fifty-one".