264268121501731 has 2 divisors, whose sum is σ = 264268121501732. Its totient is φ = 264268121501730.

The previous prime is 264268121501701. The next prime is 264268121501789. The reversal of 264268121501731 is 137105121862462.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-264268121501731 is a prime.

It is a super-2 number, since 2×264268121501731² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (264268121501701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132134060750865 + 132134060750866.

It is an arithmetic number, because the mean of its divisors is an integer number (132134060750866).

Almost surely, 2^{264268121501731} is an apocalyptic number.

264268121501731 is a deficient number, since it is larger than the sum of its proper divisors (1).

264268121501731 is an equidigital number, since it uses as much as digits as its factorization.

264268121501731 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 967680, while the sum is 49.

The spelling of 264268121501731 in words is "two hundred sixty-four trillion, two hundred sixty-eight billion, one hundred twenty-one million, five hundred one thousand, seven hundred thirty-one".