1421348919 has 8 divisors (see below), whose sum is σ = 1900133760. Its totient is φ = 945065016.

The previous prime is 1421348897. The next prime is 1421348933. The reversal of 1421348919 is 9198431241.

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

It is not a de Polignac number, because 1421348919 - 2²¹ = 1419251767 is a prime.

It is a super-2 number, since 2×1421348919² = 4040465499084937122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1421348959) by changing a digit.

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, 623907 + ... + 626180.

It is an arithmetic number, because the mean of its divisors is an integer number (237516720).

Almost surely, 2^1421348919 is an apocalyptic number.

1421348919 is a deficient number, since it is larger than the sum of its proper divisors (478784841).

1421348919 is a wasteful number, since it uses less digits than its factorization.

1421348919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1250469.

The product of its digits is 62208, while the sum is 42.

The square root of 1421348919 is about 37700.7814110000. The cubic root of 1421348919 is about 1124.3466610447.

The spelling of 1421348919 in words is "one billion, four hundred twenty-one million, three hundred forty-eight thousand, nine hundred nineteen".