2921129066 has 4 divisors (see below), whose sum is σ = 4381693602. Its totient is φ = 1460564532.

The previous prime is 2921129059. The next prime is 2921129069. The reversal of 2921129066 is 6609211292.

2921129066 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2005158841 + 915970225 = 44779^2 + 30265^2 .

It is not an unprimeable number, because it can be changed into a prime (2921129069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 730282265 + ... + 730282268.

Almost surely, 2^2921129066 is an apocalyptic number.

2921129066 is a deficient number, since it is larger than the sum of its proper divisors (1460564536).

2921129066 is a wasteful number, since it uses less digits than its factorization.

2921129066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1460564535.

The product of its (nonzero) digits is 23328, while the sum is 38.

The square root of 2921129066 is about 54047.4704866009. The cubic root of 2921129066 is about 1429.4980985955.

The spelling of 2921129066 in words is "two billion, nine hundred twenty-one million, one hundred twenty-nine thousand, sixty-six".