2677471021 has 4 divisors (see below), whose sum is σ = 2709729792. Its totient is φ = 2645212252.

The previous prime is 2677471001. The next prime is 2677471063. The reversal of 2677471021 is 1201747762.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2677471021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2677471001) 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, 16129261 + ... + 16129426.

It is an arithmetic number, because the mean of its divisors is an integer number (677432448).

Almost surely, 2^2677471021 is an apocalyptic number.

It is an amenable number.

2677471021 is a deficient number, since it is larger than the sum of its proper divisors (32258771).

2677471021 is an equidigital number, since it uses as much as digits as its factorization.

2677471021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32258770.

The product of its (nonzero) digits is 32928, while the sum is 37.

The square root of 2677471021 is about 51744.2849114760. The cubic root of 2677471021 is about 1388.5928552614.

The spelling of 2677471021 in words is "two billion, six hundred seventy-seven million, four hundred seventy-one thousand, twenty-one".