6409859202 has 12 divisors (see below), whose sum is σ = 13888028310. Its totient is φ = 2136619728.

The previous prime is 6409859111. The next prime is 6409859221. The reversal of 6409859202 is 2029589046.

It can be written as a sum of positive squares in only one way, i.e., 6409763721 + 95481 = 80061^2 + 309^2 .

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 178051627 + ... + 178051662.

Almost surely, 2^6409859202 is an apocalyptic number.

6409859202 is an abundant number, since it is smaller than the sum of its proper divisors (7478169108).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6409859202 is a wasteful number, since it uses less digits than its factorization.

6409859202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356103297 (or 356103294 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The square root of 6409859202 is about 80061.5962993494. The cubic root of 6409859202 is about 1857.5884268415.

The spelling of 6409859202 in words is "six billion, four hundred nine million, eight hundred fifty-nine thousand, two hundred two".