2124566690 has 16 divisors (see below), whose sum is σ = 3828192192. Its totient is φ = 848943984.

The previous prime is 2124566627. The next prime is 2124566693. The reversal of 2124566690 is 966654212.

It is a happy number.

It is a super-2 number, since 2×2124566690² = 9027567240515112200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2124566693) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100184 + ... + 119523.

It is an arithmetic number, because the mean of its divisors is an integer number (239262012).

Almost surely, 2^2124566690 is an apocalyptic number.

2124566690 is a deficient number, since it is larger than the sum of its proper divisors (1703625502).

2124566690 is a wasteful number, since it uses less digits than its factorization.

2124566690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220681.

The product of its (nonzero) digits is 155520, while the sum is 41.

The square root of 2124566690 is about 46093.0221400159. The cubic root of 2124566690 is about 1285.5534041319.

The spelling of 2124566690 in words is "two billion, one hundred twenty-four million, five hundred sixty-six thousand, six hundred ninety".