741941821 has 2 divisors, whose sum is σ = 741941822. Its totient is φ = 741941820.

The previous prime is 741941819. The next prime is 741941833. The reversal of 741941821 is 128149147.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 696379321 + 45562500 = 26389^2 + 6750^2 .

It is a cyclic number.

It is not a de Polignac number, because 741941821 - 2¹ = 741941819 is a prime.

Together with 741941819, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (741941861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 370970910 + 370970911.

It is an arithmetic number, because the mean of its divisors is an integer number (370970911).

Almost surely, 2^741941821 is an apocalyptic number.

It is an amenable number.

741941821 is a deficient number, since it is larger than the sum of its proper divisors (1).

741941821 is an equidigital number, since it uses as much as digits as its factorization.

741941821 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16128, while the sum is 37.

The square root of 741941821 is about 27238.6090136776. The cubic root of 741941821 is about 905.2946431317.

The spelling of 741941821 in words is "seven hundred forty-one million, nine hundred forty-one thousand, eight hundred twenty-one".