3657780143243 has 8 divisors (see below), whose sum is σ = 3783990349200. Its totient is φ = 3531575261088.

The previous prime is 3657780143189. The next prime is 3657780143249. The reversal of 3657780143243 is 3423410877563.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3657780143243 - 2³⁰ = 3656706401419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3657780143249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92705 + ... + 2706317.

It is an arithmetic number, because the mean of its divisors is an integer number (472998793650).

Almost surely, 2^{3657780143243} is an apocalyptic number.

3657780143243 is a deficient number, since it is larger than the sum of its proper divisors (126210205957).

3657780143243 is a wasteful number, since it uses less digits than its factorization.

3657780143243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2661901.

The product of its (nonzero) digits is 10160640, while the sum is 53.

The spelling of 3657780143243 in words is "three trillion, six hundred fifty-seven billion, seven hundred eighty million, one hundred forty-three thousand, two hundred forty-three".