9942936746 has 4 divisors (see below), whose sum is σ = 14914405122. Its totient is φ = 4971468372.

The previous prime is 9942936739. The next prime is 9942936769. The reversal of 9942936746 is 6476392499.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 9937896721 + 5040025 = 99689^2 + 2245^2 .

It is a super-2 number, since 2×9942936746² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2485734185 + ... + 2485734188.

Almost surely, 2^9942936746 is an apocalyptic number.

9942936746 is a deficient number, since it is larger than the sum of its proper divisors (4971468376).

9942936746 is a wasteful number, since it uses less digits than its factorization.

9942936746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4971468375.

The product of its digits is 17635968, while the sum is 59.

The square root of 9942936746 is about 99714.2755376581. The cubic root of 9942936746 is about 2150.3289019813.

The spelling of 9942936746 in words is "nine billion, nine hundred forty-two million, nine hundred thirty-six thousand, seven hundred forty-six".