2147627551 has 4 divisors (see below), whose sum is σ = 2260660600. Its totient is φ = 2034594504.

The previous prime is 2147627543. The next prime is 2147627557. The reversal of 2147627551 is 1557267412.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2147627551 - 2³ = 2147627543 is a prime.

It is a super-2 number, since 2×2147627551² = 9224608195628515202, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2147627557) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56516496 + ... + 56516533.

It is an arithmetic number, because the mean of its divisors is an integer number (565165150).

Almost surely, 2^2147627551 is an apocalyptic number.

2147627551 is a deficient number, since it is larger than the sum of its proper divisors (113033049).

2147627551 is a wasteful number, since it uses less digits than its factorization.

2147627551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113033048.

The product of its digits is 117600, while the sum is 40.

The square root of 2147627551 is about 46342.5026406645. The cubic root of 2147627551 is about 1290.1879723279.

The spelling of 2147627551 in words is "two billion, one hundred forty-seven million, six hundred twenty-seven thousand, five hundred fifty-one".