419138690 has 8 divisors (see below), whose sum is σ = 754449660. Its totient is φ = 167655472.

The previous prime is 419138641. The next prime is 419138719. The reversal of 419138690 is 96831914.

It can be written as a sum of positive squares in 2 ways, for example, as 352275361 + 66863329 = 18769^2 + 8177^2 .

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

It is a super-2 number, since 2×419138690² = 351354482909832200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20956925 + ... + 20956944.

Almost surely, 2^419138690 is an apocalyptic number.

419138690 is a deficient number, since it is larger than the sum of its proper divisors (335310970).

419138690 is a wasteful number, since it uses less digits than its factorization.

419138690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41913876.

The product of its (nonzero) digits is 46656, while the sum is 41.

The square root of 419138690 is about 20472.8769351061. The cubic root of 419138690 is about 748.3749645189.

The spelling of 419138690 in words is "four hundred nineteen million, one hundred thirty-eight thousand, six hundred ninety".