264163290109 has 2 divisors, whose sum is σ = 264163290110. Its totient is φ = 264163290108.

The previous prime is 264163290011. The next prime is 264163290119. The reversal of 264163290109 is 901092361462.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 170778042009 + 93385248100 = 413253^2 + 305590^2 .

It is a cyclic number.

It is not a de Polignac number, because 264163290109 - 2²³ = 264154901501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (264163290119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132081645054 + 132081645055.

It is an arithmetic number, because the mean of its divisors is an integer number (132081645055).

Almost surely, 2^264163290109 is an apocalyptic number.

It is an amenable number.

264163290109 is a deficient number, since it is larger than the sum of its proper divisors (1).

264163290109 is an equidigital number, since it uses as much as digits as its factorization.

264163290109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 139968, while the sum is 43.

The spelling of 264163290109 in words is "two hundred sixty-four billion, one hundred sixty-three million, two hundred ninety thousand, one hundred nine".