2190782955 has 8 divisors (see below), whose sum is σ = 3505252752. Its totient is φ = 1168417568.

The previous prime is 2190782953. The next prime is 2190782983. The reversal of 2190782955 is 5592870912.

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 2190782955 - 2¹ = 2190782953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2190782953) 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, 73026084 + ... + 73026113.

It is an arithmetic number, because the mean of its divisors is an integer number (438156594).

Almost surely, 2^2190782955 is an apocalyptic number.

2190782955 is a deficient number, since it is larger than the sum of its proper divisors (1314469797).

2190782955 is a wasteful number, since it uses less digits than its factorization.

2190782955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146052205.

The product of its (nonzero) digits is 453600, while the sum is 48.

The square root of 2190782955 is about 46805.8004418256. The cubic root of 2190782955 is about 1298.7725998927.

The spelling of 2190782955 in words is "two billion, one hundred ninety million, seven hundred eighty-two thousand, nine hundred fifty-five".