1064007765813 has 24 divisors (see below), whose sum is σ = 1498116554688. Its totient is φ = 671626790208.

The previous prime is 1064007765809. The next prime is 1064007765857. The reversal of 1064007765813 is 3185677004601.

It is not a de Polignac number, because 1064007765813 - 2² = 1064007765809 is a prime.

It is a super-2 number, since 2×1064007765813² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1064007765883) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1655481 + ... + 2206497.

It is an arithmetic number, because the mean of its divisors is an integer number (62421523112).

Almost surely, 2^{1064007765813} is an apocalyptic number.

It is an amenable number.

1064007765813 is a deficient number, since it is larger than the sum of its proper divisors (434108788875).

1064007765813 is a wasteful number, since it uses less digits than its factorization.

1064007765813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552841 (or 552822 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 48.

The spelling of 1064007765813 in words is "one trillion, sixty-four billion, seven million, seven hundred sixty-five thousand, eight hundred thirteen".