1421929486 has 16 divisors (see below), whose sum is σ = 2250028800. Its totient is φ = 672082488.

The previous prime is 1421929433. The next prime is 1421929501. The reversal of 1421929486 is 6849291241.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22816 + ... + 58003.

It is an arithmetic number, because the mean of its divisors is an integer number (140626800).

Almost surely, 2^1421929486 is an apocalyptic number.

1421929486 is a deficient number, since it is larger than the sum of its proper divisors (828099314).

1421929486 is a wasteful number, since it uses less digits than its factorization.

1421929486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81303.

The product of its digits is 248832, while the sum is 46.

The square root of 1421929486 is about 37708.4802928996. The cubic root of 1421929486 is about 1124.4997244958.

The spelling of 1421929486 in words is "one billion, four hundred twenty-one million, nine hundred twenty-nine thousand, four hundred eighty-six".