2124689522 has 16 divisors (see below), whose sum is σ = 3219924312. Its totient is φ = 1051438080.

The previous prime is 2124689521. The next prime is 2124689537. The reversal of 2124689522 is 2259864212.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2029412401 + 95277121 = 45049^2 + 9761^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2124689522.

It is not an unprimeable number, because it can be changed into a prime (2124689521) 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, 62072 + ... + 90012.

Almost surely, 2^2124689522 is an apocalyptic number.

2124689522 is a deficient number, since it is larger than the sum of its proper divisors (1095234790).

2124689522 is a wasteful number, since it uses less digits than its factorization.

2124689522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28333.

The product of its digits is 138240, while the sum is 41.

The square root of 2124689522 is about 46094.3545567133. The cubic root of 2124689522 is about 1285.5781784468.

The spelling of 2124689522 in words is "two billion, one hundred twenty-four million, six hundred eighty-nine thousand, five hundred twenty-two".