264129564947 has 2 divisors, whose sum is σ = 264129564948. Its totient is φ = 264129564946.

The previous prime is 264129564913. The next prime is 264129564983. The reversal of 264129564947 is 749465921462.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 264129564947 - 2³⁴ = 246949695763 is a prime.

It is a super-2 number, since 2×264129564947² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (264129464947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132064782473 + 132064782474.

It is an arithmetic number, because the mean of its divisors is an integer number (132064782474).

Almost surely, 2^264129564947 is an apocalyptic number.

264129564947 is a deficient number, since it is larger than the sum of its proper divisors (1).

264129564947 is an equidigital number, since it uses as much as digits as its factorization.

264129564947 is an evil number, because the sum of its binary digits is even.

The product of its digits is 26127360, while the sum is 59.

The spelling of 264129564947 in words is "two hundred sixty-four billion, one hundred twenty-nine million, five hundred sixty-four thousand, nine hundred forty-seven".