42251539835 has 8 divisors (see below), whose sum is σ = 50759014176. Its totient is φ = 33763120960.

The previous prime is 42251539829. The next prime is 42251539877. The reversal of 42251539835 is 53893515224.

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 42251539835 - 2¹⁰ = 42251538811 is a prime.

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 42251539835.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4758986 + ... + 4767855.

It is an arithmetic number, because the mean of its divisors is an integer number (6344876772).

Almost surely, 2^42251539835 is an apocalyptic number.

42251539835 is a deficient number, since it is larger than the sum of its proper divisors (8507474341).

42251539835 is an equidigital number, since it uses as much as digits as its factorization.

42251539835 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9527733.

The product of its digits is 1296000, while the sum is 47.

The spelling of 42251539835 in words is "forty-two billion, two hundred fifty-one million, five hundred thirty-nine thousand, eight hundred thirty-five".