6461326402 has 8 divisors (see below), whose sum is σ = 9696907836. Its totient is φ = 3229023792.

The previous prime is 6461326393. The next prime is 6461326463. The reversal of 6461326402 is 2046231646.

It can be written as a sum of positive squares in 2 ways, for example, as 5441865361 + 1019461041 = 73769^2 + 31929^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 814773 + ... + 822664.

Almost surely, 2^6461326402 is an apocalyptic number.

6461326402 is a deficient number, since it is larger than the sum of its proper divisors (3235581434).

6461326402 is a wasteful number, since it uses less digits than its factorization.

6461326402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1639412.

The product of its (nonzero) digits is 41472, while the sum is 34.

The square root of 6461326402 is about 80382.3761903068. The cubic root of 6461326402 is about 1862.5469407385.

The spelling of 6461326402 in words is "six billion, four hundred sixty-one million, three hundred twenty-six thousand, four hundred two".