2181048634 has 8 divisors (see below), whose sum is σ = 3327023520. Its totient is φ = 1072040796.

The previous prime is 2181048619. The next prime is 2181048637. The reversal of 2181048634 is 4368401812.

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

It is a junction number, because it is equal to n+sod(n) for n = 2181048593 and 2181048602.

It is not an unprimeable number, because it can be changed into a prime (2181048637) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9241614 + ... + 9241849.

It is an arithmetic number, because the mean of its divisors is an integer number (415877940).

Almost surely, 2^2181048634 is an apocalyptic number.

2181048634 is a deficient number, since it is larger than the sum of its proper divisors (1145974886).

2181048634 is a wasteful number, since it uses less digits than its factorization.

2181048634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18483524.

The product of its (nonzero) digits is 36864, while the sum is 37.

The square root of 2181048634 is about 46701.6984059467. The cubic root of 2181048634 is about 1296.8461286873.

The spelling of 2181048634 in words is "two billion, one hundred eighty-one million, forty-eight thousand, six hundred thirty-four".