2187294094479 has 8 divisors (see below), whose sum is σ = 3140729981872. Its totient is φ = 1346027135040.

The previous prime is 2187294094477. The next prime is 2187294094493. The reversal of 2187294094479 is 9744904927812.

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

It is not a de Polignac number, because 2187294094479 - 2¹ = 2187294094477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2187294094477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28042231942 + ... + 28042232019.

It is an arithmetic number, because the mean of its divisors is an integer number (392591247734).

Almost surely, 2^{2187294094479} is an apocalyptic number.

2187294094479 is a deficient number, since it is larger than the sum of its proper divisors (953435887393).

2187294094479 is a wasteful number, since it uses less digits than its factorization.

2187294094479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56084463977.

The product of its (nonzero) digits is 73156608, while the sum is 66.

The spelling of 2187294094479 in words is "two trillion, one hundred eighty-seven billion, two hundred ninety-four million, ninety-four thousand, four hundred seventy-nine".