3980040013 has 4 divisors (see below), whose sum is σ = 4087608700. Its totient is φ = 3872471328.

The previous prime is 3980039989. The next prime is 3980040023. The reversal of 3980040013 is 3100400893.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3821959684 + 158080329 = 61822^2 + 12573^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3980040013 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 (3980040023) 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, 53784288 + ... + 53784361.

It is an arithmetic number, because the mean of its divisors is an integer number (1021902175).

Almost surely, 2^3980040013 is an apocalyptic number.

It is an amenable number.

3980040013 is a deficient number, since it is larger than the sum of its proper divisors (107568687).

3980040013 is a wasteful number, since it uses less digits than its factorization.

3980040013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107568686.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 3980040013 is about 63087.5583058974. The cubic root of 3980040013 is about 1584.7562725675.

The spelling of 3980040013 in words is "three billion, nine hundred eighty million, forty thousand, thirteen".