2142684650 has 24 divisors (see below), whose sum is σ = 3987762624. Its totient is φ = 856564400.

The previous prime is 2142684631. The next prime is 2142684653. The reversal of 2142684650 is 564862412.

It is a super-3 number, since 3×2142684650³ (a number of 29 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2142684653) 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, 78719 + ... + 102381.

It is an arithmetic number, because the mean of its divisors is an integer number (166156776).

Almost surely, 2^2142684650 is an apocalyptic number.

2142684650 is a deficient number, since it is larger than the sum of its proper divisors (1845077974).

2142684650 is a wasteful number, since it uses less digits than its factorization.

2142684650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25486 (or 25481 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 38.

The square root of 2142684650 is about 46289.1418153329. The cubic root of 2142684650 is about 1289.1973955018.

The spelling of 2142684650 in words is "two billion, one hundred forty-two million, six hundred eighty-four thousand, six hundred fifty".