2671275421 has 8 divisors (see below), whose sum is σ = 2750035680.
Its totient is φ = 2592860688.
The previous prime is 2671275413. The next prime is 2671275469. The reversal of 2671275421 is 1245721762.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 2671275421 - 23 = 2671275413 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (37).
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2671275491) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70651 + ... + 101656.
It is an arithmetic number, because the mean of its divisors is an integer number (343754460).
Almost surely, 22671275421 is an apocalyptic number.
It is an amenable number.
2671275421 is a deficient number, since it is larger than the sum of its proper divisors (78760259).
2671275421 is a wasteful number, since it uses less digits than its factorization.
2671275421 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 172763.
The product of its digits is 47040, while the sum is 37.
The square root of 2671275421 is about 51684.3827572701.
The cubic root of 2671275421 is about 1387.5209718552.
The spelling of 2671275421 in words is "two billion, six hundred seventy-one million, two hundred seventy-five thousand, four hundred twenty-one".