540784641913 has 8 divisors (see below), whose sum is σ = 572652193608. Its totient is φ = 508923389184.

The previous prime is 540784641883. The next prime is 540784641919. The reversal of 540784641913 is 319146487045.

It can be written as a sum of positive squares in 4 ways, for example, as 104903436544 + 435881205369 = 323888^2 + 660213^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 540784641913 - 2⁹ = 540784641401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (540784641919) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1397406 + ... + 1741927.

It is an arithmetic number, because the mean of its divisors is an integer number (71581524201).

Almost surely, 2^540784641913 is an apocalyptic number.

It is an amenable number.

540784641913 is a deficient number, since it is larger than the sum of its proper divisors (31867551695).

540784641913 is a wasteful number, since it uses less digits than its factorization.

540784641913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3149483.

The product of its (nonzero) digits is 2903040, while the sum is 52.

The spelling of 540784641913 in words is "five hundred forty billion, seven hundred eighty-four million, six hundred forty-one thousand, nine hundred thirteen".