1064640360363 has 32 divisors (see below), whose sum is σ = 1525313433600. Its totient is φ = 658543284000.

The previous prime is 1064640360323. The next prime is 1064640360451. The reversal of 1064640360363 is 3630630464601.

It is not a de Polignac number, because 1064640360363 - 2⁹ = 1064640359851 is a prime.

It is a super-2 number, since 2×1064640360363² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1064640360323) 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, 259993 + ... + 1482186.

It is an arithmetic number, because the mean of its divisors is an integer number (47666044800).

Almost surely, 2^{1064640360363} is an apocalyptic number.

1064640360363 is a deficient number, since it is larger than the sum of its proper divisors (460673073237).

1064640360363 is a wasteful number, since it uses less digits than its factorization.

1064640360363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1742423.

The product of its (nonzero) digits is 559872, while the sum is 42.

The spelling of 1064640360363 in words is "one trillion, sixty-four billion, six hundred forty million, three hundred sixty thousand, three hundred sixty-three".