2153155489 has 8 divisors (see below), whose sum is σ = 2235879360. Its totient is φ = 2070996816.

The previous prime is 2153155481. The next prime is 2153155517. The reversal of 2153155489 is 9845513512.

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 2153155489 - 2³ = 2153155481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2153155481) 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, 133527 + ... + 148780.

It is an arithmetic number, because the mean of its divisors is an integer number (279484920).

Almost surely, 2^2153155489 is an apocalyptic number.

2153155489 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

2153155489 is a deficient number, since it is larger than the sum of its proper divisors (82723871).

2153155489 is a wasteful number, since it uses less digits than its factorization.

2153155489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282599.

The product of its digits is 216000, while the sum is 43.

The square root of 2153155489 is about 46402.1065146831. The cubic root of 2153155489 is about 1291.2939941159.

The spelling of 2153155489 in words is "two billion, one hundred fifty-three million, one hundred fifty-five thousand, four hundred eighty-nine".