264011429881 has 2 divisors, whose sum is σ = 264011429882. Its totient is φ = 264011429880.

The previous prime is 264011429867. The next prime is 264011429893. The reversal of 264011429881 is 188924110462.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 195283564281 + 68727865600 = 441909^2 + 262160^2 .

It is a cyclic number.

It is not a de Polignac number, because 264011429881 - 2⁷ = 264011429753 is a prime.

It is a super-2 number, since 2×264011429881² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (264011429821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132005714940 + 132005714941.

It is an arithmetic number, because the mean of its divisors is an integer number (132005714941).

Almost surely, 2^264011429881 is an apocalyptic number.

It is an amenable number.

264011429881 is a deficient number, since it is larger than the sum of its proper divisors (1).

264011429881 is an equidigital number, since it uses as much as digits as its factorization.

264011429881 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 221184, while the sum is 46.

The spelling of 264011429881 in words is "two hundred sixty-four billion, eleven million, four hundred twenty-nine thousand, eight hundred eighty-one".