942455991 has 16 divisors (see below), whose sum is σ = 1262981376. Its totient is φ = 625126656.

The previous prime is 942455933. The next prime is 942456023. The reversal of 942455991 is 199554249.

It is not a de Polignac number, because 942455991 - 2¹⁴ = 942439607 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 942455991.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (942453991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 722646 + ... + 723948.

It is an arithmetic number, because the mean of its divisors is an integer number (78936336).

Almost surely, 2^942455991 is an apocalyptic number.

942455991 is a deficient number, since it is larger than the sum of its proper divisors (320525385).

942455991 is a wasteful number, since it uses less digits than its factorization.

942455991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2342.

The product of its digits is 583200, while the sum is 48.

The square root of 942455991 is about 30699.4461024951. The cubic root of 942455991 is about 980.4385067293.

The spelling of 942455991 in words is "nine hundred forty-two million, four hundred fifty-five thousand, nine hundred ninety-one".