4001713638 has 32 divisors (see below), whose sum is σ = 8623915776. Its totient is φ = 1230605088.

The previous prime is 4001713631. The next prime is 4001713679. The reversal of 4001713638 is 8363171004.

It is a junction number, because it is equal to n+sod(n) for n = 4001713599 and 4001713608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4001713631) 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, 135295 + ... + 162197.

It is an arithmetic number, because the mean of its divisors is an integer number (269497368).

Almost surely, 2^4001713638 is an apocalyptic number.

4001713638 is an abundant number, since it is smaller than the sum of its proper divisors (4622202138).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4001713638 is a wasteful number, since it uses less digits than its factorization.

4001713638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28828.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 4001713638 is about 63259.0992506216. The cubic root of 4001713638 is about 1587.6277055014.

The spelling of 4001713638 in words is "four billion, one million, seven hundred thirteen thousand, six hundred thirty-eight".