4294164921 has 8 divisors (see below), whose sum is σ = 5803985760. Its totient is φ = 2823560352.

The previous prime is 4294164913. The next prime is 4294165003. The reversal of 4294164921 is 1294614924.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4294164921 - 2³ = 4294164913 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4294064921) 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, 9803811 + ... + 9804248.

It is an arithmetic number, because the mean of its divisors is an integer number (725498220).

Almost surely, 2^4294164921 is an apocalyptic number.

It is an amenable number.

4294164921 is a deficient number, since it is larger than the sum of its proper divisors (1509820839).

4294164921 is a wasteful number, since it uses less digits than its factorization.

4294164921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19608135.

The product of its digits is 124416, while the sum is 42.

The square root of 4294164921 is about 65529.8780786291. The cubic root of 4294164921 is about 1625.3974470516.

The spelling of 4294164921 in words is "four billion, two hundred ninety-four million, one hundred sixty-four thousand, nine hundred twenty-one".