2187368790 has 32 divisors (see below), whose sum is σ = 5430710880. Its totient is φ = 563184384.

The previous prime is 2187368741. The next prime is 2187368791. The reversal of 2187368790 is 978637812.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2187368791) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1256239 + ... + 1257978.

It is an arithmetic number, because the mean of its divisors is an integer number (169709715).

Almost surely, 2^2187368790 is an apocalyptic number.

2187368790 is an abundant number, since it is smaller than the sum of its proper divisors (3243342090).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2187368790 is a wasteful number, since it uses less digits than its factorization.

2187368790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2514256.

The product of its (nonzero) digits is 1016064, while the sum is 51.

The square root of 2187368790 is about 46769.3146197376. The cubic root of 2187368790 is about 1298.0975703857.

The spelling of 2187368790 in words is "two billion, one hundred eighty-seven million, three hundred sixty-eight thousand, seven hundred ninety".