942609091 has 4 divisors (see below), whose sum is σ = 942713632. Its totient is φ = 942504552.

The previous prime is 942609079. The next prime is 942609097. The reversal of 942609091 is 190906249.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 942609091 - 2⁷ = 942608963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (942609097) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37320 + ... + 57253.

It is an arithmetic number, because the mean of its divisors is an integer number (235678408).

Almost surely, 2^942609091 is an apocalyptic number.

942609091 is a deficient number, since it is larger than the sum of its proper divisors (104541).

942609091 is an equidigital number, since it uses as much as digits as its factorization.

942609091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104540.

The product of its (nonzero) digits is 34992, while the sum is 40.

The square root of 942609091 is about 30701.9395315671. The cubic root of 942609091 is about 980.4915939148.

The spelling of 942609091 in words is "nine hundred forty-two million, six hundred nine thousand, ninety-one".