2921618704 has 15 divisors (see below), whose sum is σ = 5661055173. Its totient is φ = 1460701248.

The previous prime is 2921618701. The next prime is 2921618731. The reversal of 2921618704 is 4078161292.

The square root of 2921618704 is 54052.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 1541347600 + 1380271104 = 39260^2 + 37152^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2921618701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 209452 + ... + 222964.

Almost surely, 2^2921618704 is an apocalyptic number.

2921618704 is the 54052-nd square number.

It is an amenable number.

2921618704 is a deficient number, since it is larger than the sum of its proper divisors (2739436469).

2921618704 is an frugal number, since it uses more digits than its factorization.

2921618704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27034 (or 13515 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 40.

The cubic root of 2921618704 is about 1429.5779646873.

Adding to 2921618704 its reverse (4078161292), we get a palindrome (6999779996).

The spelling of 2921618704 in words is "two billion, nine hundred twenty-one million, six hundred eighteen thousand, seven hundred four".