4002402513 has 4 divisors (see below), whose sum is σ = 5336536688. Its totient is φ = 2668268340.

The previous prime is 4002402479. The next prime is 4002402533. The reversal of 4002402513 is 3152042004.

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 not a de Polignac number, because 4002402513 - 2⁶ = 4002402449 is a prime.

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 4002402513.

It is not an unprimeable number, because it can be changed into a prime (4002402533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 667067083 + ... + 667067088.

It is an arithmetic number, because the mean of its divisors is an integer number (1334134172).

Almost surely, 2^4002402513 is an apocalyptic number.

It is an amenable number.

4002402513 is a deficient number, since it is larger than the sum of its proper divisors (1334134175).

4002402513 is a wasteful number, since it uses less digits than its factorization.

4002402513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1334134174.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 4002402513 is about 63264.5438851811. The cubic root of 4002402513 is about 1587.7188009990.

Adding to 4002402513 its reverse (3152042004), we get a palindrome (7154444517).

It can be divided in two parts, 400240 and 2513, that added together give a triangular number (402753 = T₈₉₇).

The spelling of 4002402513 in words is "four billion, two million, four hundred two thousand, five hundred thirteen".