2847481021 has 48 divisors (see below), whose sum is σ = 3679022592. Its totient is φ = 2156394240.

The previous prime is 2847481009. The next prime is 2847481033. The reversal of 2847481021 is 1201847482.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2847481009) and next prime (2847481033).

It is not a de Polignac number, because 2847481021 - 2⁷ = 2847480893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2847481001) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6149836 + ... + 6150298.

It is an arithmetic number, because the mean of its divisors is an integer number (76646304).

Almost surely, 2^2847481021 is an apocalyptic number.

It is an amenable number.

2847481021 is a deficient number, since it is larger than the sum of its proper divisors (831541571).

2847481021 is a wasteful number, since it uses less digits than its factorization.

2847481021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 682 (or 671 counting only the distinct ones).

The product of its (nonzero) digits is 28672, while the sum is 37.

The square root of 2847481021 is about 53361.7936448917. The cubic root of 2847481021 is about 1417.3821073231.

It can be divided in two parts, 28474810 and 21, that added together give a triangular number (28474831 = T₇₅₄₆).

The spelling of 2847481021 in words is "two billion, eight hundred forty-seven million, four hundred eighty-one thousand, twenty-one".