675129856443 has 16 divisors (see below), whose sum is σ = 1028780785920. Its totient is φ = 385784184096.

The previous prime is 675129856421. The next prime is 675129856447. The reversal of 675129856443 is 344658921576.

It is a happy number.

It is not a de Polignac number, because 675129856443 - 2⁸ = 675129856187 is a prime.

It is a super-2 number, since 2×675129856443² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (675129856447) 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, 3557721 + ... + 3742677.

It is an arithmetic number, because the mean of its divisors is an integer number (64298799120).

Almost surely, 2^675129856443 is an apocalyptic number.

675129856443 is a deficient number, since it is larger than the sum of its proper divisors (353650929477).

675129856443 is a wasteful number, since it uses less digits than its factorization.

675129856443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358786.

The product of its digits is 43545600, while the sum is 60.

The spelling of 675129856443 in words is "six hundred seventy-five billion, one hundred twenty-nine million, eight hundred fifty-six thousand, four hundred forty-three".