2146687468 has 6 divisors (see below), whose sum is σ = 3756703076. Its totient is φ = 1073343732.

The previous prime is 2146687463. The next prime is 2146687481. The reversal of 2146687468 is 8647866412.

It is not an unprimeable number, because it can be changed into a prime (2146687463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 268335930 + ... + 268335937.

Almost surely, 2^2146687468 is an apocalyptic number.

It is an amenable number.

2146687468 is a deficient number, since it is larger than the sum of its proper divisors (1610015608).

2146687468 is a wasteful number, since it uses less digits than its factorization.

2146687468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536671871 (or 536671869 counting only the distinct ones).

The product of its digits is 3096576, while the sum is 52.

The square root of 2146687468 is about 46332.3587571365. The cubic root of 2146687468 is about 1289.9996931273. Note that the first 3 decimals are identical.

The spelling of 2146687468 in words is "two billion, one hundred forty-six million, six hundred eighty-seven thousand, four hundred sixty-eight".