2153786490 has 32 divisors (see below), whose sum is σ = 5743431360. Its totient is φ = 574342992.

The previous prime is 2153786417. The next prime is 2153786521. The reversal of 2153786490 is 946873512.

2153786490 is a `hidden beast` number, since 2 + 153 + 7 + 8 + 6 + 490 = 666.

2153786490 is digitally balanced in base 10, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (45).

2153786490 is strictly pandigital in base 10.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3988224 + ... + 3988763.

It is an arithmetic number, because the mean of its divisors is an integer number (179482230).

It is a 1-persistent number, because it is pandigital, but 2⋅2153786490 = 4307572980 is not.

Almost surely, 2^2153786490 is an apocalyptic number.

2153786490 is an abundant number, since it is smaller than the sum of its proper divisors (3589644870).

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

2153786490 is a wasteful number, since it uses less digits than its factorization.

2153786490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7977003 (or 7976997 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The square root of 2153786490 is about 46408.9052876708. The cubic root of 2153786490 is about 1291.4201234523.

The spelling of 2153786490 in words is "two billion, one hundred fifty-three million, seven hundred eighty-six thousand, four hundred ninety".