3639813240043 has 16 divisors (see below), whose sum is σ = 4108109184000. Its totient is φ = 3204325118592.

The previous prime is 3639813240031. The next prime is 3639813240073. The reversal of 3639813240043 is 3400423189363.

It is a cyclic number.

It is not a de Polignac number, because 3639813240043 - 2¹³ = 3639813231851 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3639813239975 and 3639813240002.

It is not an unprimeable number, because it can be changed into a prime (3639813240023) 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, 71295823 + ... + 71346856.

It is an arithmetic number, because the mean of its divisors is an integer number (256756824000).

Almost surely, 2^{3639813240043} is an apocalyptic number.

3639813240043 is a deficient number, since it is larger than the sum of its proper divisors (468295943957).

3639813240043 is a wasteful number, since it uses less digits than its factorization.

3639813240043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142642794.

The product of its (nonzero) digits is 1119744, while the sum is 46.

The spelling of 3639813240043 in words is "three trillion, six hundred thirty-nine billion, eight hundred thirteen million, two hundred forty thousand, forty-three".