42351933091 has 16 divisors (see below), whose sum is σ = 46274307520. Its totient is φ = 38525414400.

The previous prime is 42351933089. The next prime is 42351933119. The reversal of 42351933091 is 19033915324.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 42351933091 - 2¹ = 42351933089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42351930091) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1121170 + ... + 1158328.

It is an arithmetic number, because the mean of its divisors is an integer number (2892144220).

Almost surely, 2^42351933091 is an apocalyptic number.

42351933091 is a deficient number, since it is larger than the sum of its proper divisors (3922374429).

42351933091 is a wasteful number, since it uses less digits than its factorization.

42351933091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38446.

The product of its (nonzero) digits is 87480, while the sum is 40.

The spelling of 42351933091 in words is "forty-two billion, three hundred fifty-one million, nine hundred thirty-three thousand, ninety-one".