1419019397 has 4 divisors (see below), whose sum is σ = 1433069196. Its totient is φ = 1404969600.

The previous prime is 1419019369. The next prime is 1419019417. The reversal of 1419019397 is 7939109141.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7939109141 = 101 ⋅78605041.

It can be written as a sum of positive squares in 2 ways, for example, as 959388676 + 459630721 = 30974^2 + 21439^2 .

It is a cyclic number.

It is not a de Polignac number, because 1419019397 - 2¹⁴ = 1419003013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1419019367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7024748 + ... + 7024949.

It is an arithmetic number, because the mean of its divisors is an integer number (358267299).

Almost surely, 2^1419019397 is an apocalyptic number.

It is an amenable number.

1419019397 is a deficient number, since it is larger than the sum of its proper divisors (14049799).

1419019397 is a wasteful number, since it uses less digits than its factorization.

1419019397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14049798.

The product of its (nonzero) digits is 61236, while the sum is 44.

The square root of 1419019397 is about 37669.8738649335. The cubic root of 1419019397 is about 1123.7320752662.

The spelling of 1419019397 in words is "one billion, four hundred nineteen million, nineteen thousand, three hundred ninety-seven".