6855584402 has 4 divisors (see below), whose sum is σ = 10283376606. Its totient is φ = 3427792200.

The previous prime is 6855584399. The next prime is 6855584419. The reversal of 6855584402 is 2044855586.

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

It can be written as a sum of positive squares in only one way, i.e., 6441828121 + 413756281 = 80261^2 + 20341^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1713896099 + ... + 1713896102.

Almost surely, 2^6855584402 is an apocalyptic number.

6855584402 is a deficient number, since it is larger than the sum of its proper divisors (3427792204).

6855584402 is a wasteful number, since it uses less digits than its factorization.

6855584402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3427792203.

The product of its (nonzero) digits is 1536000, while the sum is 47.

The square root of 6855584402 is about 82798.4565194304. The cubic root of 6855584402 is about 1899.6845646246.

The spelling of 6855584402 in words is "six billion, eight hundred fifty-five million, five hundred eighty-four thousand, four hundred two".