6419889146 has 32 divisors (see below), whose sum is σ = 11257299648. Its totient is φ = 2713373440.

The previous prime is 6419889131. The next prime is 6419889193.

6419889146 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 6419889091 and 6419889100.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72365 + ... + 134448.

It is an arithmetic number, because the mean of its divisors is an integer number (351790614).

Almost surely, 2^6419889146 is an apocalyptic number.

6419889146 is a deficient number, since it is larger than the sum of its proper divisors (4837410502).

6419889146 is a wasteful number, since it uses less digits than its factorization.

6419889146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206926.

The product of its digits is 2985984, while the sum is 56.

The square root of 6419889146 is about 80124.2107355823. The cubic root of 6419889146 is about 1858.5568203611.

The spelling of 6419889146 in words is "six billion, four hundred nineteen million, eight hundred eighty-nine thousand, one hundred forty-six".