543749947345 has 32 divisors (see below), whose sum is σ = 719419708800. Its totient is φ = 391237440000.

The previous prime is 543749947319. The next prime is 543749947397.

It is a happy number.

543749947345 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 543749947345 - 2¹³ = 543749939153 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7301106 + ... + 7375204.

It is an arithmetic number, because the mean of its divisors is an integer number (22481865900).

Almost surely, 2^543749947345 is an apocalyptic number.

543749947345 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

543749947345 is a deficient number, since it is larger than the sum of its proper divisors (175669761455).

543749947345 is a wasteful number, since it uses less digits than its factorization.

543749947345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75537.

The product of its digits is 228614400, while the sum is 64.

The spelling of 543749947345 in words is "five hundred forty-three billion, seven hundred forty-nine million, nine hundred forty-seven thousand, three hundred forty-five".