2421134661 has 8 divisors (see below), whose sum is σ = 3521650464. Its totient is φ = 1467354320.

The previous prime is 2421134621. The next prime is 2421134663. The reversal of 2421134661 is 1664311242.

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 2421134661 - 2¹³ = 2421126469 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2421134663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36683826 + ... + 36683891.

It is an arithmetic number, because the mean of its divisors is an integer number (440206308).

Almost surely, 2^2421134661 is an apocalyptic number.

It is an amenable number.

2421134661 is a deficient number, since it is larger than the sum of its proper divisors (1100515803).

2421134661 is a wasteful number, since it uses less digits than its factorization.

2421134661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73367731.

The product of its digits is 6912, while the sum is 30.

The square root of 2421134661 is about 49205.0267858885. The cubic root of 2421134661 is about 1342.7844863161.

The spelling of 2421134661 in words is "two billion, four hundred twenty-one million, one hundred thirty-four thousand, six hundred sixty-one".