419961381 has 8 divisors (see below), whose sum is σ = 639941184. Its totient is φ = 239977920.

The previous prime is 419961361. The next prime is 419961391. The reversal of 419961381 is 183169914.

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

It is not a de Polignac number, because 419961381 - 2⁹ = 419960869 is a prime.

It is a super-2 number, since 2×419961381² = 352735123062854322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (419961361) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9999060 + ... + 9999101.

It is an arithmetic number, because the mean of its divisors is an integer number (79992648).

Almost surely, 2^419961381 is an apocalyptic number.

It is an amenable number.

419961381 is a deficient number, since it is larger than the sum of its proper divisors (219979803).

419961381 is a wasteful number, since it uses less digits than its factorization.

419961381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19998171.

The product of its digits is 46656, while the sum is 42.

The square root of 419961381 is about 20492.9593031363. The cubic root of 419961381 is about 748.8642846244.

The spelling of 419961381 in words is "four hundred nineteen million, nine hundred sixty-one thousand, three hundred eighty-one".