3943690429903 has 8 divisors (see below), whose sum is σ = 4550832785408. Its totient is φ = 3347487576504.

The previous prime is 3943690429883. The next prime is 3943690429979. The reversal of 3943690429903 is 3099240963493.

3943690429903 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 3943690429903 - 2⁵ = 3943690429871 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3943690429993) 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, 2734874751 + ... + 2734876192.

It is an arithmetic number, because the mean of its divisors is an integer number (568854098176).

Almost surely, 2^{3943690429903} is an apocalyptic number.

3943690429903 is a deficient number, since it is larger than the sum of its proper divisors (607142355505).

3943690429903 is a wasteful number, since it uses less digits than its factorization.

3943690429903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5469751053.

The product of its (nonzero) digits is 34012224, while the sum is 61.

The spelling of 3943690429903 in words is "three trillion, nine hundred forty-three billion, six hundred ninety million, four hundred twenty-nine thousand, nine hundred three".