4246578481 has 4 divisors (see below), whose sum is σ = 4431212352. Its totient is φ = 4061944612.

The previous prime is 4246578463. The next prime is 4246578491. The reversal of 4246578481 is 1848756424.

It is a happy number.

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.

It is a cyclic number.

It is not a de Polignac number, because 4246578481 - 2⁹ = 4246577969 is a prime.

It is a super-2 number, since 2×4246578481² = 36066857590584534722, which contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4246578491) 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, 92316901 + ... + 92316946.

It is an arithmetic number, because the mean of its divisors is an integer number (1107803088).

Almost surely, 2^4246578481 is an apocalyptic number.

It is an amenable number.

4246578481 is a deficient number, since it is larger than the sum of its proper divisors (184633871).

4246578481 is a wasteful number, since it uses less digits than its factorization.

4246578481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184633870.

The product of its digits is 1720320, while the sum is 49.

The square root of 4246578481 is about 65165.7769154945. The cubic root of 4246578481 is about 1619.3711018463.

The spelling of 4246578481 in words is "four billion, two hundred forty-six million, five hundred seventy-eight thousand, four hundred eighty-one".