73849452849 has 12 divisors (see below), whose sum is σ = 106795913796. Its totient is φ = 49175515392.

The previous prime is 73849452841. The next prime is 73849452857. The reversal of 73849452849 is 94825494837.

It is an interprime number because it is at equal distance from previous prime (73849452841) and next prime (73849452857).

It can be written as a sum of positive squares in 2 ways, for example, as 49043202849 + 24806250000 = 221457^2 + 157500^2 .

It is not a de Polignac number, because 73849452849 - 2³ = 73849452841 is a prime.

It is not an unprimeable number, because it can be changed into a prime (73849452841) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4779624 + ... + 4795049.

It is an arithmetic number, because the mean of its divisors is an integer number (8899659483).

Almost surely, 2^73849452849 is an apocalyptic number.

It is an amenable number.

73849452849 is a deficient number, since it is larger than the sum of its proper divisors (32946460947).

73849452849 is a wasteful number, since it uses less digits than its factorization.

73849452849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9575536 (or 9575533 counting only the distinct ones).

The product of its digits is 69672960, while the sum is 63.

The spelling of 73849452849 in words is "seventy-three billion, eight hundred forty-nine million, four hundred fifty-two thousand, eight hundred forty-nine".