6781832402 has 4 divisors (see below), whose sum is σ = 10172748606. Its totient is φ = 3390916200.

The previous prime is 6781832401. The next prime is 6781832413. The reversal of 6781832402 is 2042381876.

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., 3751440001 + 3030392401 = 61249^2 + 55049^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 6781832402.

It is not an unprimeable number, because it can be changed into a prime (6781832401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1695458099 + ... + 1695458102.

Almost surely, 2^6781832402 is an apocalyptic number.

6781832402 is a deficient number, since it is larger than the sum of its proper divisors (3390916204).

6781832402 is a wasteful number, since it uses less digits than its factorization.

6781832402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3390916203.

The product of its (nonzero) digits is 129024, while the sum is 41.

The square root of 6781832402 is about 82351.8815935617. The cubic root of 6781832402 is about 1892.8477549955.

The spelling of 6781832402 in words is "six billion, seven hundred eighty-one million, eight hundred thirty-two thousand, four hundred two".