42905918215 has 8 divisors (see below), whose sum is σ = 53725671648. Its totient is φ = 32832354720.

The previous prime is 42905918203. The next prime is 42905918357. The reversal of 42905918215 is 51281950924.

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 42905918215 - 2²⁵ = 42872363783 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 186547356 + ... + 186547585.

It is an arithmetic number, because the mean of its divisors is an integer number (6715708956).

Almost surely, 2^42905918215 is an apocalyptic number.

42905918215 is a deficient number, since it is larger than the sum of its proper divisors (10819753433).

42905918215 is a wasteful number, since it uses less digits than its factorization.

42905918215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373094969.

The product of its (nonzero) digits is 259200, while the sum is 46.

The spelling of 42905918215 in words is "forty-two billion, nine hundred five million, nine hundred eighteen thousand, two hundred fifteen".