42599820837 has 8 divisors (see below), whose sum is σ = 64914012736. Its totient is φ = 24342754752.

The previous prime is 42599820763. The next prime is 42599820853. The reversal of 42599820837 is 73802899524.

It is a happy number.

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

It is not a de Polignac number, because 42599820837 - 2⁷ = 42599820709 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42599820337) 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 7 ways as a sum of consecutive naturals, for example, 1014281428 + ... + 1014281469.

It is an arithmetic number, because the mean of its divisors is an integer number (8114251592).

Almost surely, 2^42599820837 is an apocalyptic number.

It is an amenable number.

42599820837 is a deficient number, since it is larger than the sum of its proper divisors (22314191899).

42599820837 is a wasteful number, since it uses less digits than its factorization.

42599820837 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2028562907.

The product of its (nonzero) digits is 8709120, while the sum is 57.

The spelling of 42599820837 in words is "forty-two billion, five hundred ninety-nine million, eight hundred twenty thousand, eight hundred thirty-seven".