43670780245 has 16 divisors (see below), whose sum is σ = 52631053488. Its totient is φ = 34786160640.

The previous prime is 43670780189. The next prime is 43670780269. The reversal of 43670780245 is 54208707634.

It can be written as a sum of positive squares in 8 ways, for example, as 5457958884 + 38212821361 = 73878^2 + 195481^2 .

It is not a de Polignac number, because 43670780245 - 2¹¹ = 43670778197 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 43670780195 and 43670780204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1265257 + ... + 1299313.

It is an arithmetic number, because the mean of its divisors is an integer number (3289440843).

Almost surely, 2^43670780245 is an apocalyptic number.

It is an amenable number.

43670780245 is a deficient number, since it is larger than the sum of its proper divisors (8960273243).

43670780245 is a wasteful number, since it uses less digits than its factorization.

43670780245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35160.

The product of its (nonzero) digits is 1128960, while the sum is 46.

The spelling of 43670780245 in words is "forty-three billion, six hundred seventy million, seven hundred eighty thousand, two hundred forty-five".