42887815864413 has 32 divisors (see below), whose sum is σ = 61988406337536. Its totient is φ = 26218691126208.

The previous prime is 42887815864403. The next prime is 42887815864429. The reversal of 42887815864413 is 31446851878824.

It is not a de Polignac number, because 42887815864413 - 2²¹ = 42887813767261 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42887815864403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12501456 + ... + 15558342.

It is an arithmetic number, because the mean of its divisors is an integer number (1937137698048).

Almost surely, 2^{42887815864413} is an apocalyptic number.

It is an amenable number.

42887815864413 is a deficient number, since it is larger than the sum of its proper divisors (19100590473123).

42887815864413 is a wasteful number, since it uses less digits than its factorization.

42887815864413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3059273.

The product of its digits is 330301440, while the sum is 69.

The spelling of 42887815864413 in words is "forty-two trillion, eight hundred eighty-seven billion, eight hundred fifteen million, eight hundred sixty-four thousand, four hundred thirteen".