2158482997 has 16 divisors (see below), whose sum is σ = 2411735040. Its totient is φ = 1914822000.

The previous prime is 2158482971. The next prime is 2158483003. The reversal of 2158482997 is 7992848512.

It is a cyclic number.

It is not a de Polignac number, because 2158482997 - 2⁷ = 2158482869 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2158482967) 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, 921654 + ... + 923992.

It is an arithmetic number, because the mean of its divisors is an integer number (150733440).

Almost surely, 2^2158482997 is an apocalyptic number.

It is an amenable number.

2158482997 is a deficient number, since it is larger than the sum of its proper divisors (253252043).

2158482997 is a wasteful number, since it uses less digits than its factorization.

2158482997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4344.

The product of its digits is 2903040, while the sum is 55.

The square root of 2158482997 is about 46459.4769342058. The cubic root of 2158482997 is about 1292.3581242682.

The spelling of 2158482997 in words is "two billion, one hundred fifty-eight million, four hundred eighty-two thousand, nine hundred ninety-seven".