2141495681 has 24 divisors (see below), whose sum is σ = 2468660544. Its totient is φ = 1846061280.

The previous prime is 2141495669. The next prime is 2141495711. The reversal of 2141495681 is 1865941412.

It is not a de Polignac number, because 2141495681 - 2⁶ = 2141495617 is a prime.

It is a super-2 number, since 2×2141495681² = 9172007503483307522, which contains 22 as substring.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2141495611) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 329990 + ... + 336416.

It is an arithmetic number, because the mean of its divisors is an integer number (102860856).

Almost surely, 2^2141495681 is an apocalyptic number.

It is an amenable number.

2141495681 is a deficient number, since it is larger than the sum of its proper divisors (327164863).

2141495681 is a wasteful number, since it uses less digits than its factorization.

2141495681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6549 (or 6530 counting only the distinct ones).

The product of its digits is 69120, while the sum is 41.

The square root of 2141495681 is about 46276.2971833313. The cubic root of 2141495681 is about 1288.9588941831.

The spelling of 2141495681 in words is "two billion, one hundred forty-one million, four hundred ninety-five thousand, six hundred eighty-one".