2946041621 has 2 divisors, whose sum is σ = 2946041622. Its totient is φ = 2946041620.

The previous prime is 2946041617. The next prime is 2946041653. The reversal of 2946041621 is 1261406492.

2946041621 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2515022500 + 431019121 = 50150^2 + 20761^2 .

It is a cyclic number.

It is not a de Polignac number, because 2946041621 - 2² = 2946041617 is a prime.

It is a super-2 number, since 2×2946041621² = 17358322465328615282, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2946049621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1473020810 + 1473020811.

It is an arithmetic number, because the mean of its divisors is an integer number (1473020811).

Almost surely, 2^2946041621 is an apocalyptic number.

It is an amenable number.

2946041621 is a deficient number, since it is larger than the sum of its proper divisors (1).

2946041621 is an equidigital number, since it uses as much as digits as its factorization.

2946041621 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 2946041621 is about 54277.4503914839. The cubic root of 2946041621 is about 1433.5503773660.

The spelling of 2946041621 in words is "two billion, nine hundred forty-six million, forty-one thousand, six hundred twenty-one".