4239051663 has 64 divisors (see below), whose sum is σ = 7204184064. Its totient is φ = 2153424000.

The previous prime is 4239051659. The next prime is 4239051667. The reversal of 4239051663 is 3661509324.

It is a Cunningham number, because it is equal to 65108²-1.

It is an interprime number because it is at equal distance from previous prime (4239051659) and next prime (4239051667).

It is not a de Polignac number, because 4239051663 - 2² = 4239051659 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4239051667) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2147545 + ... + 2149517.

It is an arithmetic number, because the mean of its divisors is an integer number (112565376).

Almost surely, 2^4239051663 is an apocalyptic number.

4239051663 is a deficient number, since it is larger than the sum of its proper divisors (2965132401).

4239051663 is a wasteful number, since it uses less digits than its factorization.

4239051663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2196.

The product of its (nonzero) digits is 116640, while the sum is 39.

The square root of 4239051663 is about 65107.9999923205. Note that the first 5 decimals coincide. The cubic root of 4239051663 is about 1618.4137884093.

The spelling of 4239051663 in words is "four billion, two hundred thirty-nine million, fifty-one thousand, six hundred sixty-three".