746346643647 has 16 divisors (see below), whose sum is σ = 1085692215168. Its totient is φ = 452290842080.

The previous prime is 746346643591. The next prime is 746346643687.

746346643647 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 746346643647 - 2¹⁰ = 746346642623 is a prime.

It is a super-4 number, since 4×746346643647⁴ (a number of 49 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (746346643687) 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, 634788 + ... + 1376825.

It is an arithmetic number, because the mean of its divisors is an integer number (67855763448).

Almost surely, 2^746346643647 is an apocalyptic number.

746346643647 is a deficient number, since it is larger than the sum of its proper divisors (339345571521).

746346643647 is a wasteful number, since it uses less digits than its factorization.

746346643647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2022870.

The product of its digits is 146313216, while the sum is 60.

The spelling of 746346643647 in words is "seven hundred forty-six billion, three hundred forty-six million, six hundred forty-three thousand, six hundred forty-seven".