42733748949 has 16 divisors (see below), whose sum is σ = 57755443200. Its totient is φ = 28101308976.

The previous prime is 42733748927. The next prime is 42733748971. The reversal of 42733748949 is 94984733724.

It is an interprime number because it is at equal distance from previous prime (42733748927) and next prime (42733748971).

It is not a de Polignac number, because 42733748949 - 2⁷ = 42733748821 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42733748892 and 42733748901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42733748989) 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, 159472 + ... + 333014.

It is an arithmetic number, because the mean of its divisors is an integer number (3609715200).

Almost surely, 2^42733748949 is an apocalyptic number.

It is an amenable number.

42733748949 is a deficient number, since it is larger than the sum of its proper divisors (15021694251).

42733748949 is a wasteful number, since it uses less digits than its factorization.

42733748949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174664.

The product of its digits is 36578304, while the sum is 60.

The spelling of 42733748949 in words is "forty-two billion, seven hundred thirty-three million, seven hundred forty-eight thousand, nine hundred forty-nine".