2921315273 has 2 divisors, whose sum is σ = 2921315274. Its totient is φ = 2921315272.

The previous prime is 2921315239. The next prime is 2921315291. The reversal of 2921315273 is 3725131292.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2919997369 + 1317904 = 54037^2 + 1148^2 .

It is a cyclic number.

It is not a de Polignac number, because 2921315273 - 2¹² = 2921311177 is a prime.

It is not a weakly prime, because it can be changed into another prime (2921318273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1460657636 + 1460657637.

It is an arithmetic number, because the mean of its divisors is an integer number (1460657637).

Almost surely, 2^2921315273 is an apocalyptic number.

It is an amenable number.

2921315273 is a deficient number, since it is larger than the sum of its proper divisors (1).

2921315273 is an equidigital number, since it uses as much as digits as its factorization.

2921315273 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22680, while the sum is 35.

The square root of 2921315273 is about 54049.1930837085. The cubic root of 2921315273 is about 1429.5284723415.

The spelling of 2921315273 in words is "two billion, nine hundred twenty-one million, three hundred fifteen thousand, two hundred seventy-three".