2146952146989 has 16 divisors (see below), whose sum is σ = 3103219005824. Its totient is φ = 1312451640000.

The previous prime is 2146952146973. The next prime is 2146952147023. The reversal of 2146952146989 is 9896412596412.

It is a happy number.

It is not a de Polignac number, because 2146952146989 - 2⁴ = 2146952146973 is a prime.

It is a super-2 number, since 2×2146952146989² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2146952146909) 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, 182279062 + ... + 182290839.

It is an arithmetic number, because the mean of its divisors is an integer number (193951187864).

Almost surely, 2^{2146952146989} is an apocalyptic number.

It is an amenable number.

2146952146989 is a deficient number, since it is larger than the sum of its proper divisors (956266858835).

2146952146989 is a wasteful number, since it uses less digits than its factorization.

2146952146989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364570068.

The product of its digits is 67184640, while the sum is 66.

The spelling of 2146952146989 in words is "two trillion, one hundred forty-six billion, nine hundred fifty-two million, one hundred forty-six thousand, nine hundred eighty-nine".