2421641071 has 4 divisors (see below), whose sum is σ = 2432500672. Its totient is φ = 2410781472.

The previous prime is 2421641063. The next prime is 2421641081. The reversal of 2421641071 is 1701461242.

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 2421641071 - 2³ = 2421641063 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 (2421641011) 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, 5429466 + ... + 5429911.

It is an arithmetic number, because the mean of its divisors is an integer number (608125168).

Almost surely, 2^2421641071 is an apocalyptic number.

2421641071 is a deficient number, since it is larger than the sum of its proper divisors (10859601).

2421641071 is a wasteful number, since it uses less digits than its factorization.

2421641071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10859600.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 2421641071 is about 49210.1724341624. The cubic root of 2421641071 is about 1342.8780997360.

The spelling of 2421641071 in words is "two billion, four hundred twenty-one million, six hundred forty-one thousand, seventy-one".