419628913 has 4 divisors (see below), whose sum is σ = 457777008. Its totient is φ = 381480820.

The previous prime is 419628883. The next prime is 419628917. The reversal of 419628913 is 319826914.

It is a happy number.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-419628913 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 419628913.

It is not an unprimeable number, because it can be changed into a prime (419628917) 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, 19074031 + ... + 19074052.

It is an arithmetic number, because the mean of its divisors is an integer number (114444252).

Almost surely, 2^419628913 is an apocalyptic number.

It is an amenable number.

419628913 is a deficient number, since it is larger than the sum of its proper divisors (38148095).

419628913 is a wasteful number, since it uses less digits than its factorization.

419628913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38148094.

The product of its digits is 93312, while the sum is 43.

The square root of 419628913 is about 20484.8459354714. The cubic root of 419628913 is about 748.6666163370. Note that the first 4 decimals are identical.

The spelling of 419628913 in words is "four hundred nineteen million, six hundred twenty-eight thousand, nine hundred thirteen".