2127495551 has 2 divisors, whose sum is σ = 2127495552. Its totient is φ = 2127495550.

The previous prime is 2127495547. The next prime is 2127495553. The reversal of 2127495551 is 1555947212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2127495551 - 2² = 2127495547 is a prime.

Together with 2127495553, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 2127495499 and 2127495508.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2127495553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1063747775 + 1063747776.

It is an arithmetic number, because the mean of its divisors is an integer number (1063747776).

Almost surely, 2^2127495551 is an apocalyptic number.

2127495551 is a deficient number, since it is larger than the sum of its proper divisors (1).

2127495551 is an equidigital number, since it uses as much as digits as its factorization.

2127495551 is an evil number, because the sum of its binary digits is even.

The product of its digits is 126000, while the sum is 41.

The square root of 2127495551 is about 46124.7823951507. The cubic root of 2127495551 is about 1286.1438740807.

The spelling of 2127495551 in words is "two billion, one hundred twenty-seven million, four hundred ninety-five thousand, five hundred fifty-one".