469556721841 has 2 divisors, whose sum is σ = 469556721842. Its totient is φ = 469556721840.

The previous prime is 469556721791. The next prime is 469556721857. The reversal of 469556721841 is 148127655964.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 446362954816 + 23193767025 = 668104^2 + 152295^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-469556721841 is a prime.

It is not a weakly prime, because it can be changed into another prime (469556721241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 234778360920 + 234778360921.

It is an arithmetic number, because the mean of its divisors is an integer number (234778360921).

Almost surely, 2^469556721841 is an apocalyptic number.

It is an amenable number.

469556721841 is a deficient number, since it is larger than the sum of its proper divisors (1).

469556721841 is an equidigital number, since it uses as much as digits as its factorization.

469556721841 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14515200, while the sum is 58.

The spelling of 469556721841 in words is "four hundred sixty-nine billion, five hundred fifty-six million, seven hundred twenty-one thousand, eight hundred forty-one".