542727645407 has 16 divisors (see below), whose sum is σ = 556070555040. Its totient is φ = 529418115072.

The previous prime is 542727645403. The next prime is 542727645413. The reversal of 542727645407 is 704546727245.

It is a cyclic number.

It is not a de Polignac number, because 542727645407 - 2² = 542727645403 is a prime.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542727645403) 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, 198872819 + ... + 198875547.

It is an arithmetic number, because the mean of its divisors is an integer number (34754409690).

Almost surely, 2^542727645407 is an apocalyptic number.

542727645407 is a deficient number, since it is larger than the sum of its proper divisors (13342909633).

542727645407 is a wasteful number, since it uses less digits than its factorization.

542727645407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7082.

The product of its (nonzero) digits is 13171200, while the sum is 53.

The spelling of 542727645407 in words is "five hundred forty-two billion, seven hundred twenty-seven million, six hundred forty-five thousand, four hundred seven".