1421867716 has 12 divisors (see below), whose sum is σ = 2491283088. Its totient is φ = 710072552.

The previous prime is 1421867653. The next prime is 1421867761. The reversal of 1421867716 is 6177681241.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 211606 + ... + 218221.

It is an arithmetic number, because the mean of its divisors is an integer number (207606924).

Almost surely, 2^1421867716 is an apocalyptic number.

It is an amenable number.

1421867716 is a deficient number, since it is larger than the sum of its proper divisors (1069415372).

1421867716 is a wasteful number, since it uses less digits than its factorization.

1421867716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430658 (or 430656 counting only the distinct ones).

The product of its digits is 112896, while the sum is 43.

The square root of 1421867716 is about 37707.6612374727. The cubic root of 1421867716 is about 1124.4834411394.

The spelling of 1421867716 in words is "one billion, four hundred twenty-one million, eight hundred sixty-seven thousand, seven hundred sixteen".