264546621440653 has 32 divisors (see below), whose sum is σ = 279542328048000. Its totient is φ = 249983039496960.

The previous prime is 264546621440617. The next prime is 264546621440659. The reversal of 264546621440653 is 356044126645462.

264546621440653 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 264546621440653 - 2³⁷ = 264409182487181 is a prime.

It is a super-2 number, since 2×264546621440653² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264546621440659) 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, 401206351 + ... + 401865187.

It is an arithmetic number, because the mean of its divisors is an integer number (8735697751500).

Almost surely, 2^{264546621440653} is an apocalyptic number.

It is an amenable number.

264546621440653 is a deficient number, since it is larger than the sum of its proper divisors (14995706607347).

264546621440653 is a wasteful number, since it uses less digits than its factorization.

264546621440653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 659965.

The product of its (nonzero) digits is 99532800, while the sum is 58.

The spelling of 264546621440653 in words is "two hundred sixty-four trillion, five hundred forty-six billion, six hundred twenty-one million, four hundred forty thousand, six hundred fifty-three".