42198209615 has 8 divisors (see below), whose sum is σ = 50639373888. Its totient is φ = 33757552800.

The previous prime is 42198209567. The next prime is 42198209629. The reversal of 42198209615 is 51690289124.

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 42198209615 - 2¹⁴ = 42198193231 is a prime.

It is a super-2 number, since 2×42198209615² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42198209615.

It is a congruent number.

It is an unprimeable number.

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, 89690 + ... + 304040.

It is an arithmetic number, because the mean of its divisors is an integer number (6329921736).

Almost surely, 2^42198209615 is an apocalyptic number.

42198209615 is a deficient number, since it is larger than the sum of its proper divisors (8441164273).

42198209615 is a wasteful number, since it uses less digits than its factorization.

42198209615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253729.

The product of its (nonzero) digits is 311040, while the sum is 47.

The spelling of 42198209615 in words is "forty-two billion, one hundred ninety-eight million, two hundred nine thousand, six hundred fifteen".