6461435393 has 48 divisors (see below), whose sum is σ = 8283732480. Its totient is φ = 4926966912.

The previous prime is 6461435389. The next prime is 6461435399. The reversal of 6461435393 is 3935341646.

It is not a de Polignac number, because 6461435393 - 2² = 6461435389 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6461435399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2710280 + ... + 2712662.

It is an arithmetic number, because the mean of its divisors is an integer number (172577760).

Almost surely, 2^6461435393 is an apocalyptic number.

It is an amenable number.

6461435393 is a deficient number, since it is larger than the sum of its proper divisors (1822297087).

6461435393 is a wasteful number, since it uses less digits than its factorization.

6461435393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2494 (or 2475 counting only the distinct ones).

The product of its digits is 699840, while the sum is 44.

The square root of 6461435393 is about 80383.0541407827. The cubic root of 6461435393 is about 1862.5574132895.

The spelling of 6461435393 in words is "six billion, four hundred sixty-one million, four hundred thirty-five thousand, three hundred ninety-three".