4653256421 has 8 divisors (see below), whose sum is σ = 5084934624. Its totient is φ = 4223020720.

The previous prime is 4653256381. The next prime is 4653256471. The reversal of 4653256421 is 1246523564.

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 4653256421 - 2⁶ = 4653256357 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4653256471) 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 7 ways as a sum of consecutive naturals, for example, 353870 + ... + 366783.

It is an arithmetic number, because the mean of its divisors is an integer number (635616828).

Almost surely, 2^4653256421 is an apocalyptic number.

It is an amenable number.

4653256421 is a deficient number, since it is larger than the sum of its proper divisors (431678203).

4653256421 is a wasteful number, since it uses less digits than its factorization.

4653256421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 721251.

The product of its digits is 172800, while the sum is 38.

The square root of 4653256421 is about 68214.7815432990. The cubic root of 4653256421 is about 1669.4970721929.

Adding to 4653256421 its reverse (1246523564), we get a palindrome (5899779985).

The spelling of 4653256421 in words is "four billion, six hundred fifty-three million, two hundred fifty-six thousand, four hundred twenty-one".