2187873463 has 8 divisors (see below), whose sum is σ = 2317342608. Its totient is φ = 2058489984.

The previous prime is 2187873439. The next prime is 2187873473. The reversal of 2187873463 is 3643787812.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2187873463 - 2⁵ = 2187873431 is a prime.

It is a super-2 number, since 2×2187873463² = 9573580580199224738, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2187873473) 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, 35520 + ... + 75082.

It is an arithmetic number, because the mean of its divisors is an integer number (289667826).

Almost surely, 2^2187873463 is an apocalyptic number.

2187873463 is a deficient number, since it is larger than the sum of its proper divisors (129469145).

2187873463 is a wasteful number, since it uses less digits than its factorization.

2187873463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42833.

The product of its digits is 1354752, while the sum is 49.

The square root of 2187873463 is about 46774.7096516911. The cubic root of 2187873463 is about 1298.1973957134.

The spelling of 2187873463 in words is "two billion, one hundred eighty-seven million, eight hundred seventy-three thousand, four hundred sixty-three".