30707199837 has 12 divisors (see below), whose sum is σ = 45191728764. Its totient is φ = 20085212160.

The previous prime is 30707199821. The next prime is 30707199839. The reversal of 30707199837 is 73899170703.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 20617800921 + 10089398916 = 143589^2 + 100446^2 .

It is not a de Polignac number, because 30707199837 - 2⁴ = 30707199821 is a prime.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30707199839) 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, 32187364 + ... + 32188317.

It is an arithmetic number, because the mean of its divisors is an integer number (3765977397).

Almost surely, 2^30707199837 is an apocalyptic number.

It is an amenable number.

30707199837 is a deficient number, since it is larger than the sum of its proper divisors (14484528927).

30707199837 is a wasteful number, since it uses less digits than its factorization.

30707199837 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64375740 (or 64375737 counting only the distinct ones).

The product of its (nonzero) digits is 2000376, while the sum is 54.

The spelling of 30707199837 in words is "thirty billion, seven hundred seven million, one hundred ninety-nine thousand, eight hundred thirty-seven".