1421345606406 has 32 divisors (see below), whose sum is σ = 3151955690496. Its totient is φ = 423649956000.

The previous prime is 1421345606393. The next prime is 1421345606489. The reversal of 1421345606406 is 6046065431241.

It is a congruent number.

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, 176516790 + ... + 176524841.

It is an arithmetic number, because the mean of its divisors is an integer number (98498615328).

Almost surely, 2^{1421345606406} is an apocalyptic number.

1421345606406 is an abundant number, since it is smaller than the sum of its proper divisors (1730610084090).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1421345606406 is a wasteful number, since it uses less digits than its factorization.

1421345606406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353041708.

The product of its (nonzero) digits is 414720, while the sum is 42.

The spelling of 1421345606406 in words is "one trillion, four hundred twenty-one billion, three hundred forty-five million, six hundred six thousand, four hundred six".