2921047207 has 12 divisors (see below), whose sum is σ = 3170988864. Its totient is φ = 2689564800.

The previous prime is 2921047201. The next prime is 2921047237. The reversal of 2921047207 is 7027401292.

It is a happy number.

It is not a de Polignac number, because 2921047207 - 2³¹ = 773563559 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2921047201) 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 11 ways as a sum of consecutive naturals, for example, 46218 + ... + 89320.

It is an arithmetic number, because the mean of its divisors is an integer number (264249072).

Almost surely, 2^2921047207 is an apocalyptic number.

2921047207 is a deficient number, since it is larger than the sum of its proper divisors (249941657).

2921047207 is a wasteful number, since it uses less digits than its factorization.

2921047207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43530 (or 43517 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 34.

The square root of 2921047207 is about 54046.7131933108. The cubic root of 2921047207 is about 1429.4847454964.

Adding to 2921047207 its reverse (7027401292), we get a palindrome (9948448499).

The spelling of 2921047207 in words is "two billion, nine hundred twenty-one million, forty-seven thousand, two hundred seven".