861093419 has 4 divisors (see below), whose sum is σ = 862953696. Its totient is φ = 859233144.

The previous prime is 861093413. The next prime is 861093421. The reversal of 861093419 is 914390168.

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 861093419 - 2²⁸ = 592657963 is a prime.

It is a super-2 number, since 2×861093419² = 1482963752490219122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (861093413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 929444 + ... + 930369.

It is an arithmetic number, because the mean of its divisors is an integer number (215738424).

Almost surely, 2^861093419 is an apocalyptic number.

861093419 is a deficient number, since it is larger than the sum of its proper divisors (1860277).

861093419 is a wasteful number, since it uses less digits than its factorization.

861093419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1860276.

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

The square root of 861093419 is about 29344.3933145669. The cubic root of 861093419 is about 951.3713966183.

The spelling of 861093419 in words is "eight hundred sixty-one million, ninety-three thousand, four hundred nineteen".