2147771011 has 4 divisors (see below), whose sum is σ = 2150726032. Its totient is φ = 2144815992.

The previous prime is 2147770969. The next prime is 2147771029. The reversal of 2147771011 is 1101777412.

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 2147771011 - 2⁷ = 2147770883 is a prime.

It is a super-2 number, since 2×2147771011² = 9225840631383924242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2147771071) 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, 1476420 + ... + 1477873.

It is an arithmetic number, because the mean of its divisors is an integer number (537681508).

Almost surely, 2^2147771011 is an apocalyptic number.

2147771011 is a deficient number, since it is larger than the sum of its proper divisors (2955021).

2147771011 is an equidigital number, since it uses as much as digits as its factorization.

2147771011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2955020.

The product of its (nonzero) digits is 2744, while the sum is 31.

The square root of 2147771011 is about 46344.0504380012. The cubic root of 2147771011 is about 1290.2166995693.

The spelling of 2147771011 in words is "two billion, one hundred forty-seven million, seven hundred seventy-one thousand, eleven".