4432947137 has 4 divisors (see below), whose sum is σ = 4433136516. Its totient is φ = 4432757760.

The previous prime is 4432947061. The next prime is 4432947143. The reversal of 4432947137 is 7317492344.

4432947137 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1778224561 + 2654722576 = 42169^2 + 51524^2 .

It is a cyclic number.

It is not a de Polignac number, because 4432947137 - 2¹² = 4432943041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4432947157) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53648 + ... + 108369.

It is an arithmetic number, because the mean of its divisors is an integer number (1108284129).

Almost surely, 2^4432947137 is an apocalyptic number.

It is an amenable number.

4432947137 is a deficient number, since it is larger than the sum of its proper divisors (189379).

4432947137 is a wasteful number, since it uses less digits than its factorization.

4432947137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189378.

The product of its digits is 508032, while the sum is 44.

The square root of 4432947137 is about 66580.3810217394. The cubic root of 4432947137 is about 1642.7224186905.

The spelling of 4432947137 in words is "four billion, four hundred thirty-two million, nine hundred forty-seven thousand, one hundred thirty-seven".