543661049395 has 16 divisors (see below), whose sum is σ = 668716459488. Its totient is φ = 424059759360.

The previous prime is 543661049387. The next prime is 543661049429. The reversal of 543661049395 is 593940166345.

It is not a de Polignac number, because 543661049395 - 2³ = 543661049387 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 481464 + ... + 1148533.

It is an arithmetic number, because the mean of its divisors is an integer number (41794778718).

Almost surely, 2^543661049395 is an apocalyptic number.

543661049395 is a deficient number, since it is larger than the sum of its proper divisors (125055410093).

543661049395 is a wasteful number, since it uses less digits than its factorization.

543661049395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1631670.

The product of its (nonzero) digits is 10497600, while the sum is 55.

The spelling of 543661049395 in words is "five hundred forty-three billion, six hundred sixty-one million, forty-nine thousand, three hundred ninety-five".