4421257607 has 4 divisors (see below), whose sum is σ = 4761354360. Its totient is φ = 4081160856.

The previous prime is 4421257601. The next prime is 4421257627. The reversal of 4421257607 is 7067521244.

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 4421257607 - 2¹⁸ = 4420995463 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 (4421257601) 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, 170048357 + ... + 170048382.

It is an arithmetic number, because the mean of its divisors is an integer number (1190338590).

Almost surely, 2^4421257607 is an apocalyptic number.

4421257607 is a deficient number, since it is larger than the sum of its proper divisors (340096753).

4421257607 is a wasteful number, since it uses less digits than its factorization.

4421257607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340096752.

The product of its (nonzero) digits is 94080, while the sum is 38.

The square root of 4421257607 is about 66492.5379798365. The cubic root of 4421257607 is about 1641.2772133463.

The spelling of 4421257607 in words is "four billion, four hundred twenty-one million, two hundred fifty-seven thousand, six hundred seven".