2122704649 has 8 divisors (see below), whose sum is σ = 2308185152. Its totient is φ = 1940394960.

The previous prime is 2122704631. The next prime is 2122704659. The reversal of 2122704649 is 9464072212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2122704649 - 2¹¹ = 2122702601 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2122704659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 791307 + ... + 793984.

It is an arithmetic number, because the mean of its divisors is an integer number (288523144).

Almost surely, 2^2122704649 is an apocalyptic number.

It is an amenable number.

2122704649 is a deficient number, since it is larger than the sum of its proper divisors (185480503).

2122704649 is a wasteful number, since it uses less digits than its factorization.

2122704649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1585407.

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 2122704649 is about 46072.8189825628. The cubic root of 2122704649 is about 1285.1777270868.

The spelling of 2122704649 in words is "two billion, one hundred twenty-two million, seven hundred four thousand, six hundred forty-nine".