6430977550838 has 8 divisors (see below), whose sum is σ = 9646477708440. Its totient is φ = 3215484981360.

The previous prime is 6430977550817. The next prime is 6430977550843. The reversal of 6430977550838 is 8380557790346.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1297898 + ... + 3813986.

It is an arithmetic number, because the mean of its divisors is an integer number (1205809713555).

Almost surely, 2^{6430977550838} is an apocalyptic number.

6430977550838 is a deficient number, since it is larger than the sum of its proper divisors (3215500157602).

6430977550838 is a wasteful number, since it uses less digits than its factorization.

6430977550838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3794062.

The product of its (nonzero) digits is 152409600, while the sum is 65.

The spelling of 6430977550838 in words is "six trillion, four hundred thirty billion, nine hundred seventy-seven million, five hundred fifty thousand, eight hundred thirty-eight".