6496368433978 has 4 divisors (see below), whose sum is σ = 9744552650970. Its totient is φ = 3248184216988.

The previous prime is 6496368433943. The next prime is 6496368434069. The reversal of 6496368433978 is 8793348636946.

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., 6236322491169 + 260045942809 = 2497263^2 + 509947^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1624092108493 + ... + 1624092108496.

Almost surely, 2^{6496368433978} is an apocalyptic number.

6496368433978 is a deficient number, since it is larger than the sum of its proper divisors (3248184216992).

6496368433978 is a wasteful number, since it uses less digits than its factorization.

6496368433978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3248184216991.

The product of its digits is 3386105856, while the sum is 76.

The spelling of 6496368433978 in words is "six trillion, four hundred ninety-six billion, three hundred sixty-eight million, four hundred thirty-three thousand, nine hundred seventy-eight".