746564787465647 has 16 divisors (see below), whose sum is σ = 770953596125184. Its totient is φ = 722195120880000.

The previous prime is 746564787465631. The next prime is 746564787465691.

746564787465647 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 746564787465647 - 2⁴ = 746564787465631 is a prime.

It is a super-2 number, since 2×746564787465647² (a number of 31 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 (746564787465347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5274104522 + ... + 5274246072.

It is an arithmetic number, because the mean of its divisors is an integer number (48184599757824).

Almost surely, 2^{746564787465647} is an apocalyptic number.

746564787465647 is a deficient number, since it is larger than the sum of its proper divisors (24388808659537).

746564787465647 is a wasteful number, since it uses less digits than its factorization.

746564787465647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207950.

The product of its digits is 159318835200, while the sum is 86.

The spelling of 746564787465647 in words is "seven hundred forty-six trillion, five hundred sixty-four billion, seven hundred eighty-seven million, four hundred sixty-five thousand, six hundred forty-seven".