264342543655245 has 32 divisors (see below), whose sum is σ = 488538946995840. Its totient is φ = 120626900490240.

The previous prime is 264342543655243. The next prime is 264342543655273. The reversal of 264342543655245 is 542556345243462.

264342543655245 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 264342543655245 - 2¹ = 264342543655243 is a prime.

It is a super-2 number, since 2×264342543655245² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264342543655243) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47119880200 + ... + 47119885809.

It is an arithmetic number, because the mean of its divisors is an integer number (15266842093620).

Almost surely, 2^{264342543655245} is an apocalyptic number.

It is an amenable number.

264342543655245 is a deficient number, since it is larger than the sum of its proper divisors (224196403340595).

264342543655245 is a wasteful number, since it uses less digits than its factorization.

264342543655245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94239766045.

The product of its digits is 414720000, while the sum is 60.

The spelling of 264342543655245 in words is "two hundred sixty-four trillion, three hundred forty-two billion, five hundred forty-three million, six hundred fifty-five thousand, two hundred forty-five".