2153622870 has 64 divisors (see below), whose sum is σ = 6563427840. Its totient is φ = 492256224.

The previous prime is 2153622869. The next prime is 2153622881. The reversal of 2153622870 is 782263512.

2153622870 is a `hidden beast` number, since 2 + 15 + 362 + 287 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 567852 + ... + 571631.

It is an arithmetic number, because the mean of its divisors is an integer number (102553560).

Almost surely, 2^2153622870 is an apocalyptic number.

2153622870 is an abundant number, since it is smaller than the sum of its proper divisors (4409804970).

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

2153622870 is a wasteful number, since it uses less digits than its factorization.

2153622870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1139506 (or 1139500 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 2153622870 is about 46407.1424459641. The cubic root of 2153622870 is about 1291.3874201934.

The spelling of 2153622870 in words is "two billion, one hundred fifty-three million, six hundred twenty-two thousand, eight hundred seventy".