942749811 has 6 divisors (see below), whose sum is σ = 1361749740. Its totient is φ = 628499868.

The previous prime is 942749791. The next prime is 942749827. The reversal of 942749811 is 118947249.

It is a happy number.

It is not a de Polignac number, because 942749811 - 2⁵ = 942749779 is a prime.

It is a super-2 number, since 2×942749811² = 1777554412281071442, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (942749881) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 52374981 + ... + 52374998.

It is an arithmetic number, because the mean of its divisors is an integer number (226958290).

Almost surely, 2^942749811 is an apocalyptic number.

942749811 is a deficient number, since it is larger than the sum of its proper divisors (418999929).

942749811 is a wasteful number, since it uses less digits than its factorization.

942749811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104749985 (or 104749982 counting only the distinct ones).

The product of its digits is 145152, while the sum is 45.

The square root of 942749811 is about 30704.2311579365. The cubic root of 942749811 is about 980.5403832850.

The spelling of 942749811 in words is "nine hundred forty-two million, seven hundred forty-nine thousand, eight hundred eleven".