2143602654 has 16 divisors (see below), whose sum is σ = 4338859392. Its totient is φ = 705925208.

The previous prime is 2143602577. The next prime is 2143602661. The reversal of 2143602654 is 4562063412.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2151714 + ... + 2152709.

It is an arithmetic number, because the mean of its divisors is an integer number (271178712).

Almost surely, 2^2143602654 is an apocalyptic number.

2143602654 is an abundant number, since it is smaller than the sum of its proper divisors (2195256738).

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

2143602654 is a wasteful number, since it uses less digits than its factorization.

2143602654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4304511.

The product of its (nonzero) digits is 34560, while the sum is 33.

The square root of 2143602654 is about 46299.0567290523. The cubic root of 2143602654 is about 1289.3814822252.

The spelling of 2143602654 in words is "two billion, one hundred forty-three million, six hundred two thousand, six hundred fifty-four".