43452350377 has 2 divisors, whose sum is σ = 43452350378. Its totient is φ = 43452350376.

The previous prime is 43452350363. The next prime is 43452350423. The reversal of 43452350377 is 77305325434.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22269294441 + 21183055936 = 149229^2 + 145544^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43452350377 is a prime.

It is not a weakly prime, because it can be changed into another prime (43452350317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21726175188 + 21726175189.

It is an arithmetic number, because the mean of its divisors is an integer number (21726175189).

Almost surely, 2^43452350377 is an apocalyptic number.

It is an amenable number.

43452350377 is a deficient number, since it is larger than the sum of its proper divisors (1).

43452350377 is an equidigital number, since it uses as much as digits as its factorization.

43452350377 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1058400, while the sum is 43.

The spelling of 43452350377 in words is "forty-three billion, four hundred fifty-two million, three hundred fifty thousand, three hundred seventy-seven".