2921100493 has 2 divisors, whose sum is σ = 2921100494. Its totient is φ = 2921100492.

The previous prime is 2921100461. The next prime is 2921100521. The reversal of 2921100493 is 3940011292.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2548533289 + 372567204 = 50483^2 + 19302^2 .

It is a cyclic number.

It is not a de Polignac number, because 2921100493 - 2⁵ = 2921100461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2921100433) 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 as a sum of consecutive naturals, namely, 1460550246 + 1460550247.

It is an arithmetic number, because the mean of its divisors is an integer number (1460550247).

Almost surely, 2^2921100493 is an apocalyptic number.

It is an amenable number.

2921100493 is a deficient number, since it is larger than the sum of its proper divisors (1).

2921100493 is an equidigital number, since it uses as much as digits as its factorization.

2921100493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 2921100493 is about 54047.2061535099. The cubic root of 2921100493 is about 1429.4934377057.

The spelling of 2921100493 in words is "two billion, nine hundred twenty-one million, one hundred thousand, four hundred ninety-three".