264011429821 has 2 divisors, whose sum is σ = 264011429822. Its totient is φ = 264011429820.

The previous prime is 264011429797. The next prime is 264011429827. The reversal of 264011429821 is 128924110462.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 258297732900 + 5713696921 = 508230^2 + 75589^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-264011429821 is a prime.

It is a super-2 number, since 2×264011429821² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (264011429827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132005714910 + 132005714911.

It is an arithmetic number, because the mean of its divisors is an integer number (132005714911).

Almost surely, 2^264011429821 is an apocalyptic number.

It is an amenable number.

264011429821 is a deficient number, since it is larger than the sum of its proper divisors (1).

264011429821 is an equidigital number, since it uses as much as digits as its factorization.

264011429821 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 55296, while the sum is 40.

The spelling of 264011429821 in words is "two hundred sixty-four billion, eleven million, four hundred twenty-nine thousand, eight hundred twenty-one".