2146469688 has 48 divisors (see below), whose sum is σ = 6341844600. Its totient is φ = 650445120.

The previous prime is 2146469683. The next prime is 2146469701. The reversal of 2146469688 is 8869646412.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2146469683) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1354303 + ... + 1355886.

Almost surely, 2^2146469688 is an apocalyptic number.

It is an amenable number.

2146469688 is an abundant number, since it is smaller than the sum of its proper divisors (4195374912).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2146469688 is a wasteful number, since it uses less digits than its factorization.

2146469688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2710212 (or 2710205 counting only the distinct ones).

The product of its digits is 3981312, while the sum is 54.

The square root of 2146469688 is about 46330.0085042082. The cubic root of 2146469688 is about 1289.9560684516.

The spelling of 2146469688 in words is "two billion, one hundred forty-six million, four hundred sixty-nine thousand, six hundred eighty-eight".