8419137479 has 4 divisors (see below), whose sum is σ = 8433882600. Its totient is φ = 8404392360.

The previous prime is 8419137413. The next prime is 8419137491. The reversal of 8419137479 is 9747319148.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8419137479 - 2¹² = 8419133383 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8419137479.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8419137179) 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, 7371704 + ... + 7372845.

It is an arithmetic number, because the mean of its divisors is an integer number (2108470650).

Almost surely, 2^8419137479 is an apocalyptic number.

8419137479 is a deficient number, since it is larger than the sum of its proper divisors (14745121).

8419137479 is a wasteful number, since it uses less digits than its factorization.

8419137479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14745120.

The product of its digits is 1524096, while the sum is 53.

The square root of 8419137479 is about 91755.8580091756. The cubic root of 8419137479 is about 2034.3352938559.

The spelling of 8419137479 in words is "eight billion, four hundred nineteen million, one hundred thirty-seven thousand, four hundred seventy-nine".