42537078399 has 16 divisors (see below), whose sum is σ = 56873672064. Its totient is φ = 28279336800.

The previous prime is 42537078391. The next prime is 42537078401. The reversal of 42537078399 is 99387073524.

It is not a de Polignac number, because 42537078399 - 2³ = 42537078391 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42537078391) 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, 2944504 + ... + 2958914.

It is an arithmetic number, because the mean of its divisors is an integer number (3554604504).

Almost surely, 2^42537078399 is an apocalyptic number.

42537078399 is a deficient number, since it is larger than the sum of its proper divisors (14336593665).

42537078399 is a wasteful number, since it uses less digits than its factorization.

42537078399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17078.

The product of its (nonzero) digits is 11430720, while the sum is 57.

The spelling of 42537078399 in words is "forty-two billion, five hundred thirty-seven million, seventy-eight thousand, three hundred ninety-nine".