4138488651 has 16 divisors (see below), whose sum is σ = 6027211008. Its totient is φ = 2505012000.

The previous prime is 4138488649. The next prime is 4138488659. The reversal of 4138488651 is 1568848314.

It is not a de Polignac number, because 4138488651 - 2¹ = 4138488649 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4138488651.

It is not an unprimeable number, because it can be changed into a prime (4138488659) 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, 52375 + ... + 104976.

It is an arithmetic number, because the mean of its divisors is an integer number (376700688).

Almost surely, 2^4138488651 is an apocalyptic number.

4138488651 is a deficient number, since it is larger than the sum of its proper divisors (1888722357).

4138488651 is a wasteful number, since it uses less digits than its factorization.

4138488651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158162.

The product of its digits is 737280, while the sum is 48.

The square root of 4138488651 is about 64331.0861947783. The cubic root of 4138488651 is about 1605.5133564238.

The spelling of 4138488651 in words is "four billion, one hundred thirty-eight million, four hundred eighty-eight thousand, six hundred fifty-one".