4245751081 has 16 divisors (see below), whose sum is σ = 5058281088. Its totient is φ = 3512678400.

The previous prime is 4245751067. The next prime is 4245751087. The reversal of 4245751081 is 1801575424.

It is not a de Polignac number, because 4245751081 - 2⁵ = 4245751049 is a prime.

It is a super-2 number, since 2×4245751081² = 36052804483625337122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4245751081.

It is not an unprimeable number, because it can be changed into a prime (4245751087) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 198936 + ... + 219241.

It is an arithmetic number, because the mean of its divisors is an integer number (316142568).

Almost surely, 2^4245751081 is an apocalyptic number.

It is an amenable number.

4245751081 is a deficient number, since it is larger than the sum of its proper divisors (812530007).

4245751081 is a wasteful number, since it uses less digits than its factorization.

4245751081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418272.

The product of its (nonzero) digits is 44800, while the sum is 37.

The square root of 4245751081 is about 65159.4281819600. The cubic root of 4245751081 is about 1619.2659226858.

The spelling of 4245751081 in words is "four billion, two hundred forty-five million, seven hundred fifty-one thousand, eighty-one".