2671488421 has 4 divisors (see below), whose sum is σ = 3053129632. Its totient is φ = 2289847212.

The previous prime is 2671488397. The next prime is 2671488427. The reversal of 2671488421 is 1248841762.

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 not a de Polignac number, because 2671488421 - 2⁵ = 2671488389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2671488427) 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, 190820595 + ... + 190820608.

It is an arithmetic number, because the mean of its divisors is an integer number (763282408).

Almost surely, 2^2671488421 is an apocalyptic number.

It is an amenable number.

2671488421 is a deficient number, since it is larger than the sum of its proper divisors (381641211).

2671488421 is an equidigital number, since it uses as much as digits as its factorization.

2671488421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381641210.

The product of its digits is 172032, while the sum is 43.

The square root of 2671488421 is about 51686.4432999602. The cubic root of 2671488421 is about 1387.5578498835.

The spelling of 2671488421 in words is "two billion, six hundred seventy-one million, four hundred eighty-eight thousand, four hundred twenty-one".