1419638797 has 4 divisors (see below), whose sum is σ = 1427569920. Its totient is φ = 1411707676.

The previous prime is 1419638743. The next prime is 1419638819. The reversal of 1419638797 is 7978369141.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7978369141 = 5407 ⋅1475563.

It is a cyclic number.

It is not a de Polignac number, because 1419638797 - 2¹¹ = 1419636749 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 (1419638197) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3965293 + ... + 3965650.

It is an arithmetic number, because the mean of its divisors is an integer number (356892480).

Almost surely, 2^1419638797 is an apocalyptic number.

It is an amenable number.

1419638797 is a deficient number, since it is larger than the sum of its proper divisors (7931123).

1419638797 is an equidigital number, since it uses as much as digits as its factorization.

1419638797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7931122.

The product of its digits is 2286144, while the sum is 55.

The square root of 1419638797 is about 37678.0943918346. The cubic root of 1419638797 is about 1123.8955539803.

The spelling of 1419638797 in words is "one billion, four hundred nineteen million, six hundred thirty-eight thousand, seven hundred ninety-seven".