6402643103 has 4 divisors (see below), whose sum is σ = 6538869600. Its totient is φ = 6266416608.

The previous prime is 6402643067. The next prime is 6402643127. The reversal of 6402643103 is 3013462046.

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

It is a cyclic number.

It is not a de Polignac number, because 6402643103 - 2⁸ = 6402642847 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 (6402643603) 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, 68113178 + ... + 68113271.

It is an arithmetic number, because the mean of its divisors is an integer number (1634717400).

Almost surely, 2^6402643103 is an apocalyptic number.

6402643103 is a deficient number, since it is larger than the sum of its proper divisors (136226497).

6402643103 is a wasteful number, since it uses less digits than its factorization.

6402643103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136226496.

The product of its (nonzero) digits is 10368, while the sum is 29.

The square root of 6402643103 is about 80016.5176885373. The cubic root of 6402643103 is about 1856.8910857138.

The spelling of 6402643103 in words is "six billion, four hundred two million, six hundred forty-three thousand, one hundred three".