2921005028 has 6 divisors (see below), whose sum is σ = 5111758806. Its totient is φ = 1460502512.

The previous prime is 2921005027. The next prime is 2921005049. The reversal of 2921005028 is 8205001292.

It can be written as a sum of positive squares in only one way, i.e., 2886053284 + 34951744 = 53722^2 + 5912^2 .

It is not an unprimeable number, because it can be changed into a prime (2921005027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 365125625 + ... + 365125632.

It is an arithmetic number, because the mean of its divisors is an integer number (851959801).

Almost surely, 2^2921005028 is an apocalyptic number.

It is an amenable number.

2921005028 is a deficient number, since it is larger than the sum of its proper divisors (2190753778).

2921005028 is a wasteful number, since it uses less digits than its factorization.

2921005028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 730251261 (or 730251259 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 2921005028 is about 54046.3229831595. The cubic root of 2921005028 is about 1429.4778650270.

The spelling of 2921005028 in words is "two billion, nine hundred twenty-one million, five thousand, twenty-eight".