4004251613 has 4 divisors (see below), whose sum is σ = 4004400960. Its totient is φ = 4004102268.

The previous prime is 4004251579. The next prime is 4004251619. The reversal of 4004251613 is 3161524004.

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 4004251613 - 2¹² = 4004247517 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4004251619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22133 + ... + 92186.

It is an arithmetic number, because the mean of its divisors is an integer number (1001100240).

Almost surely, 2^4004251613 is an apocalyptic number.

It is an amenable number.

4004251613 is a deficient number, since it is larger than the sum of its proper divisors (149347).

4004251613 is a wasteful number, since it uses less digits than its factorization.

4004251613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149346.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 4004251613 is about 63279.1562285718. The cubic root of 4004251613 is about 1587.9632707329.

Adding to 4004251613 its reverse (3161524004), we get a palindrome (7165775617).

The spelling of 4004251613 in words is "four billion, four million, two hundred fifty-one thousand, six hundred thirteen".