4718402021 has 4 divisors (see below), whose sum is σ = 4732657344. Its totient is φ = 4704146700.

The previous prime is 4718401981. The next prime is 4718402081. The reversal of 4718402021 is 1202048174.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1202048174 = 2 ⋅601024087.

It is a cyclic number.

It is not a de Polignac number, because 4718402021 - 2³⁰ = 3644660197 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 (4718402081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7127165 + ... + 7127826.

It is an arithmetic number, because the mean of its divisors is an integer number (1183164336).

Almost surely, 2^4718402021 is an apocalyptic number.

It is an amenable number.

4718402021 is a deficient number, since it is larger than the sum of its proper divisors (14255323).

4718402021 is a wasteful number, since it uses less digits than its factorization.

4718402021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14255322.

The product of its (nonzero) digits is 3584, while the sum is 29.

The square root of 4718402021 is about 68690.6254229789. The cubic root of 4718402021 is about 1677.2519819624.

The spelling of 4718402021 in words is "four billion, seven hundred eighteen million, four hundred two thousand, twenty-one".