1422719640019 has 8 divisors (see below), whose sum is σ = 1505486552832. Its totient is φ = 1341695188680.

The previous prime is 1422719640011. The next prime is 1422719640049. The reversal of 1422719640019 is 9100469172241.

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

It is a cyclic number.

It is not a de Polignac number, because 1422719640019 - 2³ = 1422719640011 is a prime.

It is a super-2 number, since 2×1422719640019² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1422719640011) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 435613689 + ... + 435616954.

It is an arithmetic number, because the mean of its divisors is an integer number (188185819104).

Almost surely, 2^{1422719640019} is an apocalyptic number.

1422719640019 is a deficient number, since it is larger than the sum of its proper divisors (82766912813).

1422719640019 is an equidigital number, since it uses as much as digits as its factorization.

1422719640019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 871230737.

The product of its (nonzero) digits is 217728, while the sum is 46.

The spelling of 1422719640019 in words is "one trillion, four hundred twenty-two billion, seven hundred nineteen million, six hundred forty thousand, nineteen".